Founder since 2007
Partner/Owner since 2007
Representative before the EPO

Employment test 1 - 10 employees
Company dna rings plus spranger
operating since 2007
Headquarter in Munich
active in Legal Services and IP Consulting

Representative before the EPO

Company dna spranger plus burger
no operation time available
Headquarter in M√ľnchen
active in Legal Services

Professional 2002 - 2007

Employment test 51 - 200 employees
Company dna bardehle pagenberg
operating since 1979
Headquarter in Munich and 3 offices
active in Legal Services

We have observed 47 EP applications Stephan Spranger has served for within the last five+ years. (We consider all applications which have an EP A1 publication dated after December 17, 2012). Please note, that we only count EP applications, in which the name of the patent attorney is explicitly mentioned as representative. These EP applications are:

EP12003424

Extendable piping for use in containers of waste-water facilities

IPC classification:
C02F 3/12, C02F 3/22
Agent:
Stephan Spranger, Spranger + Burger
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP12716255

METHOD FOR PRODUCING PHARMACEUTICAL PRODUCTS FROM A MELT MATERIAL

IPC classification:
A61K 9/16, B29B 9/06
Applicant:
Maag Automatik GmbH
Agent:
Stephan Spranger, Rings + Spranger
Agent:
Stephan Spranger, Spranger + Burger
Status:
PATENT GRANTED
EP12734809

METHOD AND DEVICE FOR MAKING GRANULES

IPC classification:
B29B 9/06, B29C 47/88
Applicant:
Maag Automatik GmbH
Agent:
Stephan Spranger, Rings + Spranger
Agent:
Stephan Spranger, Spranger + Burger
Status:
GRANT OF PATENT INTENDED
EP13002378

Device and method for operating SBR sewage treatment plants

IPC classification:
C02F 3/12, C02F 3/20, C02F 3/22
Agent:
Stephan Spranger, Rings + Spranger
Agent:
Stephan Spranger, Spranger + Burger
Status:
EXAMINATION REQUESTED
EP12006953

Device for distributing plastic melt

IPC classification:
B29C 47/08, B29C 47/68, B29C 47/70, B29C 47/92
Agent:
Stephan Spranger, Rings + Spranger
Agent:
Stephan Spranger, Spranger + Burger
Status:
EXAMINATION IN PROGRESS
EP13002379

Sewage treatment plant with siphon overflow

IPC classification:
B01D 21/00, B01D 21/24, B01D 21/30, C02F 1/00, C02F 3/12
Agent:
Stephan Spranger, Rings + Spranger
Agent:
Stephan Spranger, Spranger + Burger
Status:
EXAMINATION REQUESTED
EP12000378

Method for heating melt channels in a die plate and method for granulating a polymer melt

IPC classification:
B29B 9/06, B29C 47/30
Agent:
Stephan Spranger, Spranger + Burger
Status:
EXAMINATION REQUESTED
EP11703831

METHOD FOR PRODUCING GRANULES FROM POLYETHYLENE TEREPHTHALATE

IPC classification:
B29B 9/16
Agent:
Stephan Spranger, Rings + Spranger
Agent:
Stephan Spranger, Spranger + Burger
Status:
EXAMINATION REQUESTED
EP13000736

Waste water treatment plant with a separating wall

IPC classification:
B01D 21/00, C02F 3/12, C02F 3/22
Agent:
Stephan Spranger, Spranger + Burger
Status:
EXAMINATION REQUESTED
EP12000980

Portable terminal receiving remote support, remote support method, program, operator system, operator server, and operator terminal for remote support

IPC classification:
H04L 12/24
Agent:
Rolf Rings, Klingseisen Rings & Partner
Agent:
Multiple attorneys, Rings + Spranger
Agent:
Stephan Spranger, Spranger + Burger
Status:
EXAMINATION IN PROGRESS
EP12787376

DEVICE AND METHOD FOR REDUCING THE PRESSURE OF A FLUID CONTAINING GRANULES

IPC classification:
B29B 9/06, B29B 13/06, B29C 44/34
Applicant:
Maag Automatik GmbH
Agent:
Stephan Spranger, Spranger + Burger
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13004221

Antistatic propellant and antistatic master batch for the manufacture of foamed plastic objects

IPC classification:
B29C 49/00, C08J 3/22, C08J 9/08, C08K 5/00, C08K 5/17, C08K 5/42
Agent:
Stephan Spranger, Rings + Spranger
Agent:
Stephan Spranger, Spranger + Burger
Status:
PATENT GRANTED
EP13002547

Fusion welded label of a plastic article

IPC classification:
B29C 65/00, B32B 3/10, B32B 7/06, B32B 7/12, B32B 27/00, B65C 3/00, B65C 9/00, G06K 19/077, G09F 3/00, G09F 3/04
Agent:
Stephan Spranger, Spranger + Burger
Status:
EXAMINATION REQUESTED
EP13712487

DEVICE FOR FILTERING A THERMOPLASTIC MELT

IPC classification:
B01D 29/60, B29B 13/10, B29C 45/58, B29C 47/68
Applicant:
Maag Automatik GmbH
Agent:
Stephan Spranger, Spranger + Burger
Status:
EXAMINATION IN PROGRESS
EP14000006

Self-adhesive film for bonding a covering

IPC classification:
A47G 27/00, C09J 7/02
Agent:
isarpatent Behnisch Barth Charles Hassa Peckmann & Partner mbB
Agent:
Stephan Spranger, Spranger + Burger
Status:
PATENT GRANTED
EP13004422

Package marking and method for marking a package and verification of a packaged product

IPC classification:
G06K 19/06
Agent:
Stephan Spranger, Spranger + Burger
Status:
EXAMINATION IN PROGRESS
EP13734324

FEED ROLL FOR STRAND PELLETIZERS AND METHOD FOR PRODUCING SUCH A ROLL

IPC classification:
B29B 9/06
Applicant:
Maag Automatik GmbH
Agent:
Stephan Spranger, Spranger + Burger
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP13734325

METHOD AND DEVICE FOR DRYING AND CRYSTALLIZING GRANULATE

IPC classification:
B29B 9/16
Applicant:
Maag Automatik GmbH
Agent:
Stephan Spranger, Spranger + Burger
Status:
EXAMINATION IN PROGRESS
EP13734327

METHOD AND DEVICE FOR GRANULATING MELTED MATERIAL

IPC classification:
B29B 9/06
Applicant:
Maag Automatik GmbH
Agent:
Stephan Spranger, Spranger + Burger
Status:
EXAMINATION IN PROGRESS
EP13734653

NOZZLE PLATE FOR A GRANULATION DEVICE, AND GRANULATION DEVICE COMPRISING A NOZZLE PLATE

IPC classification:
B29B 9/06, B29C 47/00, B29C 47/30, B29C 47/70
Applicant:
Maag Automatik GmbH
Agent:
Stephan Spranger, Spranger + Burger
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13734654

GRANULATION DEVICE

IPC classification:
B29B 9/06
Applicant:
Maag Automatik GmbH
Agent:
Stephan Spranger, Spranger + Burger
Status:
PATENT GRANTED
EP13734326

DEVICE FOR GRANULATING MELT MATERIAL

IPC classification:
B29B 9/06
Applicant:
Maag Automatik GmbH
Agent:
Stephan Spranger, Spranger + Burger
Status:
PATENT GRANTED
EP13752819

PERFORATED PLATE FOR PRODUCING GRANULES FROM THERMOPLASTIC MATERIAL AND METHOD FOR PRODUCING SUCH A PERFORATED PLATE

IPC classification:
B29B 9/06, B29C 47/00, B29C 47/08, B29C 47/30, B29C 47/88
Applicant:
Maag Automatik GmbH
Agent:
Stephan Spranger, Spranger + Burger
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13811792

BLOCK CARRIER WITH INTEGRATED CONTINUOUS MOULDING DEVICE FOR THERMOSOFTENING PLASTICS

IPC classification:
B29B 9/06, B29C 47/08, B29C 47/30, B29C 47/36, B29C 47/74
Applicant:
Maag Automatik GmbH
Agent:
Stephan Spranger, Spranger + Burger
Status:
GRANT OF PATENT INTENDED
EP14706781

SQUEEZING-ROLL GRANULATOR AND USE THEREOF

IPC classification:
B29B 9/06, B29B 9/12, B29B 9/16, B29C 47/00, B29C 47/06, B29C 47/26, B29C 47/88, B29C 47/92
Applicant:
Maag Automatik GmbH
Agent:
Stephan Spranger, Spranger + Burger
Status:
EXAMINATION IN PROGRESS
EP14713763

METHOD FOR CONTROLLING A MELT-PROCESSING INSTALLATION

IPC classification:
B29C 47/08, B29C 47/36, B29C 47/68, B29C 47/92
Applicant:
Maag Automatik GmbH
Agent:
Stephan Spranger, Spranger + Burger
Status:
EXAMINATION REQUESTED
EP12000379

Die plate and die plate insert, and use of same

IPC classification:
B29B 9/06, B29C 47/00
Applicant:
Maag Automatik GmbH
Agent:
Stephan Spranger, Spranger + Burger
Status:
PATENT GRANTED
EP11717939

DEVICE AND METHOD FOR PRODUCING PELLETS

IPC classification:
B29B 9/06
Applicant:
Maag Automatik GmbH
Agent:
Stephan Spranger, Spranger + Burger
Status:
PATENT GRANTED
EP14724647

EXTRUSION HEAD HAVING A PERFORATED PLATE OF A GRANULATING SYSTEM

IPC classification:
B29B 9/06
Applicant:
Maag Automatik GmbH
Agent:
Stephan Spranger, Spranger + Burger
Status:
EXAMINATION IN PROGRESS
EP11787614

PERFORATED PLATE

IPC classification:
B29B 9/06
Applicant:
Maag Automatik GmbH
Agent:
Stephan Spranger, Spranger + Burger
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP12747446

CARRY-BAG AND STOPPER FOR CARRY-BAG HANDLE

IPC classification:
A45C 13/00, A45C 13/26, A45C 13/28
Agent:
Rolf Rings, Klingseisen Rings & Partner
Agent:
Multiple attorneys, Rings + Spranger
Agent:
Stephan Spranger, Spranger + Burger
Status:
EXAMINATION REQUESTED
EP13003037

Alternative power plant concept

IPC classification:
F03B 17/02
Agent:
Rolf Rings, Klingseisen Rings & Partner
Agent:
Multiple attorneys, Rings + Spranger
Agent:
Stephan Spranger, Spranger + Burger
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11707803

APPARATUS FOR PRODUCING GRANULE PARTICLES

IPC classification:
B29B 9/06
Applicant:
Maag Automatik GmbH
Agent:
Stephan Spranger, Spranger + Burger
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP14761797

METHOD FOR PRODUCING SUPERFICIALLY CRYSTALLINE SPHERICAL GRANULES BY MEANS OF AIR-COOLED HOT DIE FACE PELLETIZING AND APPARATUS FOR CARRYING OUT THE METHOD

IPC classification:
B29B 9/06, B29B 9/12, B29B 9/16
Applicant:
Maag Automatik GmbH
Agent:
Stephan Spranger, Spranger + Burger
Status:
GRANT OF PATENT INTENDED
EP14795559

GRANULATING DEVICE WITH CUTTING KNIFE HEAD

IPC classification:
B29B 9/06
Applicant:
Maag Automatik GmbH
Agent:
Stephan Spranger, Spranger + Burger
Status:
EXAMINATION REQUESTED
EP11779097

DEVICE FOR FILTERING A PLASTIC MELT

IPC classification:
B29C 47/68
Applicant:
Maag Automatik GmbH
Agent:
Stephan Spranger, Spranger + Burger
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP14808508

PROCESS FOR PRODUCING PARTICLES OF GRANULATED MATERIAL FROM A MOLTEN MATERIAL

IPC classification:
B29B 9/06
Applicant:
Maag Automatik GmbH
Agent:
Stephan Spranger, Spranger + Burger
Status:
EXAMINATION REQUESTED
EP14808507

APPARATUS AND PROCESS FOR GRANULATING MOLTEN MATERIAL

IPC classification:
B29B 9/06
Applicant:
Maag Automatik GmbH
Agent:
Stephan Spranger, Spranger + Burger
Status:
EXAMINATION REQUESTED
EP15712520

DEVICE FOR FILTERING A PLASTIC MELT

IPC classification:
B29C 45/24, B29C 47/08, B29C 47/68
Applicant:
Maag Automatik GmbH
Agent:
Stephan Spranger, Spranger + Burger
Status:
EXAMINATION REQUESTED
EP16001425

PAINT STRIPPERS AND METHOD FOR MECHANICALLY REMOVING PAINT COATINGS AN OR UNSTABLE ADHERENT PAINTED AREAS ON SURFACES

IPC classification:
B44D 3/16, C09J 7/02
Agent:
isarpatent Behnisch Barth Charles Hassa Peckmann & Partner mbB
Agent:
Stephan Spranger, Spranger + Burger
Status:
Request for examination was made
EP15723427

GUIDE ROLLER OF A PAIR OF FEED ROLLERS OF A GRANULATING DEVICE

IPC classification:
B02C 18/22, B29B 9/06, B65H 51/10, F16C 13/00
Applicant:
Maag Automatik GmbH
Agent:
Stephan Spranger, Spranger + Burger
Status:
EXAMINATION REQUESTED
EP15002586

METHOD FOR THE PRODUCTION OF HOLLOW ARTICLES IN A BLOW-MOULDING PROCESS WITH REDUCED CYCLE TIME

IPC classification:
B29C 49/00
Agent:
Stephan Spranger, Spranger + Burger
Status:
Request for examination was made
EP15723128

INTERNAL COMBUSTION ENGINE

IPC classification:
F01L 15/14, F02B 23/00
Agent:
Stephan Spranger, Spranger + Burger
Status:
EXAMINATION REQUESTED
EP15732167

DEVICE FOR FILTERING A PLASTIC MELT

IPC classification:
B01D 29/00, B29C 47/08, B29C 47/68
Applicant:
Maag Automatik GmbH
Agent:
Stephan Spranger, Spranger + Burger
Status:
EXAMINATION REQUESTED
EP15855988

ELECTRIC FIN STABILIZER

IPC classification:
B63B 39/06
Agent:
Stephan Spranger, Spranger + Burger
Status:
Request for examination was made
EP15790839

SQUEEZING-ROLL GRANULATOR, GRANULATING SYSTEM COMPRISING SAME, AND USE OF THE SQUEEZING-ROLL GRANULATOR

IPC classification:
B01J 2/22, B29B 9/06, B29B 9/12, B29B 9/16, B29C 47/00, B29C 47/04, B29C 47/12, B29C 47/88, B29C 47/92
Applicant:
Maag Automatik GmbH
Agent:
Stephan Spranger, Spranger + Burger
Status:
Request for examination was made
EP15798325

FILTERING APPARATUS FOR FILTERING A FLUID

IPC classification:
B01D 29/66, B29C 47/08, B29C 47/68
Applicant:
Maag Automatik GmbH
Agent:
Stephan Spranger, Spranger + Burger
Status:
Request for examination was made

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