Representative before the EPO

Employment test 51 - 200 employees
Company dna arnold plus siedsma
operating since 1920
Headquarter in The Hague and 12 offices
active in Legal Services, IP Consulting, IP Portfolio Processing, and IP-related Communication Service

Wilhelmina Johanna Slikker has worked on the following 34 EPO patent applications which have been published in the last five years:

EP12720682

BACKREST, METHOD FOR ADJUSTING A BACKREST AND (WHEEL) CHAIR PROVIDED WITH A BACKREST

IPC classification:
A47C 7/42, A61G 5/10, A61G 5/12, B29C 44/00
Agent:
Wilhelmina Johanna Slikker, Arnold & Siedsma B.V.
Status:
PATENT GRANTED
EP12724772

ELECTRIC SUPPLY ASSEMBLY FOR AT LEAST ONE LED

IPC classification:
H05B 33/08
Agent:
Wilhelmina Johanna Slikker, Arnold & Siedsma B.V.
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP12724773

LAMP ASSEMBLY AND METHOD FOR MOUNTING SUCH A LAMP ASSEMBLY TO A STRUCTURAL ELEMENT

IPC classification:
F21S 4/00, F21S 8/06
Agent:
Wilhelmina Johanna Slikker, Arnold & Siedsma B.V.
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP14157523

Method for manufacturing microfluidic chips, device for functionalizing microfluidic chips, microfluidic chip and device for holding a microfluidic chip

IPC classification:
B01J 19/00, B01L 3/00, B81B 1/00, B81C 1/00
Applicant:
Micronit Microfluidics BV
Agent:
Wilhelmina Johanna Slikker, Arnold & Siedsma B.V.
Status:
EXAMINATION IN PROGRESS
EP12794562

METHOD FOR DRAINING SOIL USING A FILTRATION MEANS

IPC classification:
C02F 11/12, F26B 9/00
Agent:
Wilhelmina Johanna Slikker, Arnold & Siedsma B.V.
Agent:
Nederlandsch Octrooibureau N.V.
Status:
EXAMINATION IN PROGRESS
EP14165773

Device for supporting at least a part of the body of a person and method for adjusting such a device

IPC classification:
A61F 5/01, A61F 5/02, A61F 5/05, A61F 5/14, A61F 5/32
Agent:
Wilhelmina Johanna Slikker, Arnold & Siedsma B.V.
Status:
PATENT GRANTED
EP12821152

METHOD OF BONDING TWO SUBSTRATES AND DEVICE MANUFACTURED THEREBY

IPC classification:
B81C 1/00, H01L 21/50, H01L 23/10
Applicant:
Micronit Microfluidics BV
Agent:
Wilhelmina Johanna Slikker, Arnold & Siedsma B.V.
Status:
EXAMINATION IN PROGRESS
EP11811425

SYSTEM FOR DRYING AND/OR COOLING AN AIRFLOW

IPC classification:
F24F 3/14, F24F 5/00
Agent:
Wilhelmina Johanna Slikker, Arnold & Siedsma B.V.
Status:
EXAMINATION REQUESTED
EP13199430

Edge beam, door and method for manufacturing an edge beam

IPC classification:
E06B 3/70, E06B 5/16
Agent:
Wilhelmina Johanna Slikker, Arnold & Siedsma B.V.
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP14180231

System for generating electrical energy from heat in an artificial turf

IPC classification:
E01C 13/02, E01C 13/08, F02G 1/00, H01L 35/00
Agent:
Wilhelmina Johanna Slikker, Arnold & Siedsma B.V.
Status:
GRANT OF PATENT INTENDED
EP12724416

SANDWICH PANEL, METHOD OF BUILDING SUCH A SANDWICH PANEL, A CORE OF SUCH A SANDWICH PANEL, AND A BUILDING BUILT OF A PLURALITY OF SUCH SANDWICH PANELS

IPC classification:
E02D 29/02, E04B 2/84, E04C 5/06
Agent:
Wilhelmina Johanna Slikker, Arnold & Siedsma B.V.
Status:
EXAMINATION IN PROGRESS
EP12719097

PIPE FOR EXTRACTING RESERVOIR FLUIDS PRESENT IN AN UNDERGROUND RESERVOIR AND METHOD OF LOCALLY INCREASING THE THICKNESS OF SUCH A PIPE

IPC classification:
E21B 34/06, E21B 43/12
Agent:
Wilhelmina Johanna Slikker, Arnold & Siedsma B.V.
Status:
GRANT OF PATENT INTENDED
EP13739829

METHOD FOR MANUFACTURING AN ELEMENT OF THERMOPLASTIC COMPOSITE MATERIAL AND AN ELEMENT OF THERMOPLASTIC COMPOSITE MATERIAL OBTAINED THEREWITH

IPC classification:
B29B 15/12, B29C 70/20, B29C 70/50
Agent:
Wilhelmina Johanna Slikker, Arnold & Siedsma B.V.
Status:
EXAMINATION IN PROGRESS
EP13739830

METHOD FOR MANUFACTURING AN ELEMENT OF COMPOSITE MATERIAL COMPRISING A NON- CRIMP FABRIC AND POLYETHERIMIDE (PEI) AND AN ELEMENT OF COMPOSITE MATERIAL OBTAINED THEREWITH

IPC classification:
B29B 15/12, B29C 70/20, B29C 70/50
Agent:
Wilhelmina Johanna Slikker, Arnold & Siedsma B.V.
Status:
EXAMINATION IN PROGRESS
EP14191528

Plastic fastener

IPC classification:
E06B 3/96, F16B 12/24, F16B 13/02, F16B 19/00, F16B 21/08
Agent:
Wilhelmina Johanna Slikker, Arnold & Siedsma B.V.
Status:
PATENT GRANTED
EP13767141

DEVICE FOR PASTEURIZING A MASS OF FOODSTUFF

IPC classification:
A23B 4/01, A23L 3/005, A23L 3/22, H05B 6/54
Agent:
Wilhelmina Johanna Slikker, Arnold & Siedsma B.V.
Status:
GRANT OF PATENT INTENDED
EP11738068

CAMERA AND METHOD FOR FORMING A RECORDING OF AN IMAGE OF AT LEAST A PART OF AN OBJECT

IPC classification:
A61B 5/00
Agent:
Multiple attorneys, Arnold & Siedsma B.V.
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13771235

DEVICE AND METHOD FOR ACTIVATING A CAPILLARY-STOP VALVE OF A DEVICE

IPC classification:
B01L 3/00, F16K 99/00
Applicant:
Micronit Microfluidics BV
Agent:
Wilhelmina Johanna Slikker, Arnold & Siedsma B.V.
Status:
GRANT OF PATENT INTENDED
EP13801864

METHOD FOR FORMING AN ELECTRICALLY CONDUCTIVE VIA IN A SUBSTRATE

IPC classification:
H01L 21/48, H01L 21/683, H01L 23/14
Applicant:
Micronit Microfluidics BV
Agent:
Wilhelmina Johanna Slikker, Arnold & Siedsma B.V.
Status:
GRANT OF PATENT INTENDED
EP13801812

DEVICE AND METHOD FOR PERFORATING A FILM ADHERED WITH AN ADHESIVE TO A BACKING MATERIAL, AND A FILM PERFORATED THEREWITH

IPC classification:
B26F 1/24, B32B 38/04
Agent:
Wilhelmina Johanna Slikker, Arnold & Siedsma B.V.
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP12823271

MOTORCYCLE

IPC classification:
B62J 15/00, B62K 11/08, B62K 13/00, B62K 19/16, B62K 21/00, B62K 25/08, B62M 17/00
Agent:
Wilhelmina Johanna Slikker, Arnold & Siedsma B.V.
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13811535

LAYER FOR REDUCING FLUID RESISTANCE

IPC classification:
B64C 21/10, F15D 1/12
Agent:
Wilhelmina Johanna Slikker, Arnold & Siedsma B.V.
Status:
EXAMINATION IN PROGRESS
EP15166127

DEVICE FOR SUPPORTING A CYCLE

IPC classification:
B60R 9/10, B62H 3/04
Agent:
Wilhelmina Johanna Slikker, Arnold & Siedsma B.V.
Status:
EXAMINATION REQUESTED
EP15173166

ASSEMBLY OF A WINDOW- OR DOOR-FRAME AND A WINDOW OR DOOR

IPC classification:
E06B 3/70, E06B 5/16
Agent:
Wilhelmina Johanna Slikker, Arnold & Siedsma B.V.
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP14729974

FIRE-RESISTANT OR FIRE-RETARDANT MATERIAL, METHOD FOR MANUFACTURING A FIRE-RESISTANT OR FIRE-RETARDANT MATERIAL, CONSTRUCTION ELEMENT AT LEAST PARTIALLY COVERED WITH A FIRE-RESISTANT OR FIRE-RETARDANT MATERIAL

IPC classification:
B32B 1/06, B32B 3/02, B32B 3/06, B32B 3/12, B32B 7/04, B32B 27/08, B32B 33/00
Agent:
Wilhelmina Johanna Slikker, Arnold & Siedsma B.V.
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP14737034

DEVICE FOR PROVIDING A LIVING SPACE

IPC classification:
B60P 3/34, B60P 3/36
Agent:
Wilhelmina Johanna Slikker, Arnold & Siedsma B.V.
Status:
EXAMINATION IN PROGRESS
EP16157146

BIOMASS DIGESTER

IPC classification:
C12M 1/00, C12M 1/107, C12M 1/34
Agent:
Wilhelmina Johanna Slikker, Arnold & Siedsma B.V.
Status:
EXAMINATION REQUESTED
EP16157147

DIGESTER AND METHOD FOR DETECTING A PRESENCE OF FOAM IN A DIGESTER

IPC classification:
C02F 1/00, C02F 11/04, G01N 21/90, G01N 35/10
Agent:
Wilhelmina Johanna Slikker, Arnold & Siedsma B.V.
Status:
EXAMINATION REQUESTED
EP14799044

DEVICE FOR CLEANING A STYLUS OF A MEASURING PROBE

IPC classification:
B08B 3/02, B08B 5/02, F26B 21/00, G01N 35/10
Agent:
Wilhelmina Johanna Slikker, Arnold & Siedsma B.V.
Status:
EXAMINATION REQUESTED
EP14828351

DEVICE AND METHOD FOR MEASURING A VOLUME OF A LIQUID AND METHOD AND DEVICE FOR CALIBRATING A LIQUID DISPENSING SYSTEM

IPC classification:
G01B 11/00, G01B 13/00, G01F 13/00, G01N 33/49
Applicant:
Micronit Microfluidics BV
Agent:
Wilhelmina Johanna Slikker, Arnold & Siedsma B.V.
Status:
EXAMINATION REQUESTED
EP14831105

IMPELLER FOR A PUMP OR TURBINE, AND PUMP OR TURBINE WITH IMPELLER

IPC classification:
F03B 3/10, F04D 29/16, F04D 29/52
Agent:
Wilhelmina Johanna Slikker, Arnold & Siedsma B.V.
Status:
EXAMINATION REQUESTED
EP15732458

DEVICE FOR FIXING A GUTTER TO A BUILDING CONSTRUCTION, BUILDING CONSTRUCTION WITH SUCH A DEVICE, FIXING MEMBER, SUPPORT MEMBER

IPC classification:
E04D 13/072, F16B 1/00, F16B 43/02
Agent:
Wilhelmina Johanna Slikker, Arnold & Siedsma B.V.
Status:
EXAMINATION REQUESTED
EP16199856

METHOD AND GAS REFINING INSTALLATION FOR PROVIDING A GAS STREAM HAVING A WOBBE INDEX WITHIN A REQUIRED RANGE

IPC classification:
F23K 5/00
Agent:
Wilhelmina Johanna Slikker, Arnold & Siedsma B.V.
Status:
APPLICATION PUBLISHED
EP16206831

TEXTURE MATERIAL AND SURFACE ON WHICH THE TEXTURE MATERIAL ACCORDING TO THE INVENTION IS APPLIED

IPC classification:
B29C 59/00, B32B 3/30, B32B 7/12, C08J 5/18, E01C 5/22, E01C 11/24, E04F 15/02
Agent:
Wilhelmina Johanna Slikker, Arnold & Siedsma B.V.
Status:
APPLICATION PUBLISHED

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