Inventor

Wilhelmus J. J. Maas

Inventor
Someren, NL

Overview

54→
Patents
1990–2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 54 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B05Bprimary
B05BSpraying apparatus42%
B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers11%
Y10TTechnical subjects covered by former us classification10%
B29CShaping or joining of plastics6%
B29BPreparation or pretreatment of the material to be shaped5%
B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts4%
B67DDispensing, delivering or transferring liquids, not otherwise provided for4%
B29LIndexing scheme associated with subclass b29c, relating to particular articles3%
LOC093%
A47LDomestic washing or cleaning2%
PatentTitleYear
11,027,298Systems and methods to precisely control output pressure in buffered sprayers (DuO1)202111,027,296Sprayer device with aerosol functionality--Flairosol202110,894,340Preforms for flair applications202110,562,053Liquid dispensing device having a pre-compression outlet valve202010,537,906Metered and active sprayer devices with aerosol functionality ("Flairosol II")202010,456,798Sprayer device with aerosol functionality ("Flairosol")2019D0830194Sprayer device20189,714,133'Metered and active sprayer devices with aerosol functionality (“Flairosol II”)'20179,586,222'Precompression system for a liquid dispensing device and method of assembling such precompressed system'20179,399,541'Container with deformable inner container and method for manufacture thereof'20169,205,952'Composite container and method for manufacturing same (“multi-layer preform”)'20158,905,271'Sprayer device with aerosol functionality (“Flairosol”)'20148,857,661'Container with deformable inner container and method of manufacture thereof'20148,794,487'Composite container and method for manufacturing same (“multi-layer preform”)'2014D0705651'Trigger'2014D0698660'Sprayer device'2014D0698661'Sprayer device'20148,561,852'Dosing head for dispensing a fluid from a container'20138,256,648'Precompression system for a liquid dispensing device and method of assembling such precompressed system'2012D0565948'Spray dispenser'2008D0565949'Spray dispenser'2008D0553497'Spray dispenser'2007D0551549'Spray dispenser'20077,178,702'Dispensing device and method for filling thereof'20076,971,412'Method for fixing a flexible element in a tube with tight fitting and assembly for use in this method'20056,789,303'Liquid dispenser and assembly methods therefor'20046,378,739'Precompression system for a liquid dispenser'20026,364,172'Liquid dispenser and assembly methods therefor'20025,749,501'Shroud and skeletal body for trigger sprayer'19985,730,335'Precompression valve for trigger sprayer'19985,687,880'Child lock nozzle cap assembly'19975,641,125'Nozzle assembly including a nozzle cap and a unitary nose bushing'19975,626,259'Two liquid sprayer assembly'19975,561,884'Suction attachment, spray member suitable for in such a suction attachment, and vacuum cleaner provided with such a suction attachment'19965,477,989'Child resistant nozzle cover'19955,467,900'Precompression valve for trigger sprayer'19955,397,060'Foam-spray-off trigger sprayer'1995D0355361'Sprayer'1995D0353321'Combined bottle and trigger sprayer'19945,341,965'Plastic spring assembly for trigger sprayer'1994D0347788'Combined bottle and trigger sprayer'19945,318,206'Trigger-piston connection'1994D0346962'Bottle'1994D0346547'Sprayer'19945,297,701'All plastic trigger sprayer'19945,267,692'Adjustable nozzle assembly'19935,238,152'Quick-locking child resistant bottle cap assembly'19935,228,602'Plastic spring assembly for trigger sprayer'19935,169,032'Tamper evident sprayer/nozzle assembly'19925,152,436'Snap-in trigger'19924,991,778'Adjustable nozzle assembly'19914,989,790'Nozzle cap, spring valve and body assembly'19914,925,106'Foam-off nozzle assembly with barrel screen insert for use in a trigger sprayer'19904,917,303'Snap-in trigger'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–1998Patents assigned to AFA PRODUCTS INC (23)· patent assignee history
1990–2021Based in Someren, NL· patent location history
2002–2017Patents assigned to AFA POLYTEK BV (11)· patent assignee history
2012–2021Patents assigned to MAAS WILHELMUS JOHANNES JOSEPH (10)· patent assignee history
2012–2021Patents assigned to HURKMANS PETRUS LAMBERTUS WILHELMUS (8)· patent assignee history
2016–2021Patents assigned to DISPENSING TECH BV (9)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AFA PRODUCTS INC231990–1998
AFA POLYTEK BV112002–2017
MAAS WILHELMUS JOHANNES JOSEPHself102012–2021
DISPENSING TECH BV92016–2021
HURKMANS PETRUS LAMBERTUS WILHELMUS82012–2021
Locations
LocationPatentsSpan
Someren, NL541990–2021