WB

Walter Birdsell

HO Honeywell: 40 patents #85 of 14,447Top 1%
KA Kaz: 10 patents #5 of 76Top 7%
BD Black & Decker: 3 patents #787 of 2,138Top 40%
HI Hp Intellectual: 3 patents #15 of 105Top 15%
DU Duracraft: 1 patents #16 of 33Top 50%
SO Sharkninja Operating: 1 patents #328 of 490Top 70%
📍 Marlborough, MA: #13 of 796 inventorsTop 2%
🗺 Massachusetts: #831 of 88,656 inventorsTop 1%
Overall (All Time): #40,725 of 4,157,543Top 1%
59
Patents All Time

Issued Patents All Time

Showing 26–50 of 59 patents

Patent #TitleCo-InventorsDate
6149141 Portable evaporative humidifier apparatus John Longan 2000-11-21
6131889 Evaporative humidifier with liquid distribution system John Longan 2000-10-17
6092292 Can opener Joseph F. Molnar, Paul Holbrook, Michael E. Laude 2000-07-25
6091888 Portable environmental conditioning device with presence detector responsive shutoff Rodney Jane, John Longan, Jui-Shang Wang, Steven L. Hecker 2000-07-18
D424675 Vaporizer Christopher Grace, Clinton E. Cockrill, Kenneth David Harris, Jr., James Pettingill 2000-05-09
6052511 Humidifier with removable water supply tank 2000-04-18
D422677 Water treatment container John Longan 2000-04-11
6019355 Contractible portable humidifier Kenneth A. Ritsher, Jui-Shang Wang 2000-02-01
D418911 Portable electric heater John Lapetina, Kenneth David Harris, Jr., Robert Ketelhohn, James Pettingill 2000-01-11
D418591 Portable electric heater Kenneth David Harris, Jr., Clinton E. Cockrill, Liesbeth Wenzel 2000-01-04
5988457 Beverage vessel Michael A. Andrew 1999-11-23
5970211 Portable vaporizer with cooling chamber Kenneth A. Ritsher, John Longan 1999-10-19
5964141 Coffeemaker Michael A. Andrew 1999-10-12
D408903 Portable electric heater Stephan Boyle, Steven L. Hecker, William Montague, Alan Leung, Richard M. O'Grady +2 more 1999-04-27
D408511 Humidifier Diane Allen, Stanley Gresens, Kenneth David Harris, Jr., Paolo Lanna 1999-04-20
D406885 Vaporizer Rodney Jane', Diane Allen, John Longan, Kenneth A. Ritsher, John M. Staton 1999-03-16
D405520 Portable fan Christopher Lozzio, Stanley Gresens, Kenneth David Harris, Jr. 1999-02-09
D405171 Portable electric heater Rodney Jane, Stephan Boyle, Zhiwei Xu, Steven L. Hecker, Stanley Gresens +1 more 1999-02-02
D402363 Portable fan Christopher Lozzio, Stanley Gresens, Kenneth David Harris, Jr. 1998-12-08
D402021 Humidifier Diane Allen, Stanley Gresens, Kenneth David Harris, Jr., Marc Drucker 1998-12-01
D401316 Humidifier Diane Allen, Stanley Gresens, Kenneth David Harris, Jr., Marc Drucker 1998-11-17
D401314 Portable electric heater Stephan Boyle, Steven L. Hecker, Richard M. O'Grady 1998-11-17
D401315 Portable electric heater Stephan Boyle, Steven L. Hecker, Scott W. Osiecki 1998-11-17
D400659 Portable electric heater Stephan Boyle, Rodney Jane, Steven L. Hecker, Kenneth David Harris, Jr. 1998-11-03
D398043 Portable humidifier Kenneth A. Ritsher 1998-09-08