Humphrey Products Company
Patent Owner
Stats
- 10 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Nov 15, 2016 most recent publication
Details
- 10 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 493 Total Citation Count
- Aug 02, 1978 Earliest Filing
- 13 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
Rank in Class
Top Patents (by citation)
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Recent Publications
- No Recent Publications to Display
Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
9494245 Over-molded valve stem and method of making a valve stem for a valve assemblyMar 14, 14Nov 15, 16[F16K]
8019469 Networkable zone control modules and method and conveyor system incorporating the sameAug 11, 06Sep 13, 11[G06F]
7591365 Networkable zone control modules and method and conveyor system incorporating the sameAug 11, 06Sep 22, 09[B65G]
7280889 Networkable zone control modules and method and coveyor system incorporating the sameMar 07, 03Oct 09, 07[G06F]
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
2005/0199,305 Modular device assembly incorporating electronics thereinAbandonedJan 06, 05Sep 15, 05[F16K]
4971115 Four-way poppet valve with hollow stem and four-port bodyExpiredJul 27, 89Nov 20, 90[F16K, F15B]
4428276 O-Ring seal for piston of double-acting fluid pressure cylinderExpiredOct 19, 81Jan 31, 84[F16J]
4242946 Fluid pressure cylinder convertible for use with or without internal bumpersExpiredAug 02, 78Jan 06, 81[F01B]
Top Inventors for This Owner
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