WM

Wilhelmus Johannes Joseph Maas

AP Afa Products: 24 patents #1 of 9Top 15%
DB Dispensing Technologies B.V.: 22 patents #1 of 16Top 7%
AB Afa Polytek B.V.: 11 patents #1 of 2Top 50%
SS S. C. Johnson & Son: 1 patents #961 of 1,588Top 65%
U.S. Philips: 1 patents #4,133 of 8,851Top 50%
📍 Someren, NL: #1 of 41 inventorsTop 3%
Overall (All Time): #36,624 of 4,157,543Top 1%
62
Patents All Time

Issued Patents All Time

Showing 26–50 of 62 patents

Patent #TitleCo-InventorsDate
D698660 Sprayer device Petrus Lambertus Wilhelmus Hurkmans, Paolo Nervo 2014-02-04
8561852 Dosing head for dispensing a fluid from a container Petrus Lambertus Wilhelmus Hurkmans 2013-10-22
8256648 Precompression system for a liquid dispensing device and method of assembling such precompressed system Petrus Lambertus Wilhelmus Hurkmans 2012-09-04
D565948 Spray dispenser Petrus Lambertus Wilhelmus Hurkmans 2008-04-08
D565949 Spray dispenser Petrus Lambertus Wilhelmus Hurkmans 2008-04-08
D553497 Spray dispenser Petrus Lambertus Wilhelmus Hurkmans 2007-10-23
D551549 Spray dispenser Petrus Lambertus Wilhelmus Hurkmans 2007-09-25
7178702 Dispensing device and method for filling thereof Petrus Lambertus Wilhelmus Hurkmans 2007-02-20
6971412 Method for fixing a flexible element in a tube with tight fitting and assembly for use in this method Petrus Lambertus Wilhelmus Hurkmans 2005-12-06
6789303 Liquid dispenser and assembly methods therefor Petrus Lambertus Wilhelmus Hurkmans 2004-09-14
6378739 Precompression system for a liquid dispenser Petrus Lambertus Wilhelmus Hurkmans 2002-04-30
6364172 Liquid dispenser and assembly methods therefor Petrus Lambertus Wilhelmus Hurkmans 2002-04-02
5749501 Shroud and skeletal body for trigger sprayer Petrus Lambertus Wilhelmus Hurkmans 1998-05-12
5730335 Precompression valve for trigger sprayer Petrus Wilhelmus Lambertus Hurkmans 1998-03-24
5687880 Child lock nozzle cap assembly Emile B. Steijns 1997-11-18
5641125 Nozzle assembly including a nozzle cap and a unitary nose bushing Douglas S. Martin, Petrus Lambertus Wilhelmus Hurkmans 1997-06-24
5626259 Two liquid sprayer assembly Petrus Wilhelmus Lambertus Hurkmans 1997-05-06
5561884 Suction attachment, spray member suitable for in such a suction attachment, and vacuum cleaner provided with such a suction attachment Everardus J. Nijland 1996-10-08
5477989 Child resistant nozzle cover Petrus Lambertus Wilhelmus Hurkmans 1995-12-26
5467900 Precompression valve for trigger sprayer Petrus Lambertus Wilhelmus Hurkmans 1995-11-21
5397060 Foam-spray-off trigger sprayer Petrus Lambertus Wilhelmus Hurkmans 1995-03-14
D355361 Sprayer Emile B. Steijns 1995-02-14
D353321 Combined bottle and trigger sprayer Emile B. Steijns 1994-12-13
5341965 Plastic spring assembly for trigger sprayer Petrus Lambertus Wilhelmus Hurkmans 1994-08-30
D347788 Combined bottle and trigger sprayer Emile B. Steijns 1994-06-14