Humphrey Products Company

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING568
 
 
 
B65G TRANSPORT OR STORAGE DEVICES, e.g. CONVEYERS FOR LOADING OR TIPPING; SHOP CONVEYER SYSTEMS; PNEUMATIC TUBE CONVEYERS 265
 
 
 
G06F ELECTRIC DIGITAL DATA PROCESSING 2445
 
 
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 161
 
 
 
F15B SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR 144

Top Patents (by citation)

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Recent Publications

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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]
8794266 Cam actuated valve assembly with manual and electric activationOct 18, 12Aug 05, 14[F16K]
8528597 Actuator and valve assemblyNov 11, 08Sep 10, 13[F16K]
8186978 Pump with linear actuatorOct 12, 07May 29, 12[F04B]
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]
7448411 Actuator and valve assemblyApr 03, 06Nov 11, 08[F16K]
7280889 Networkable zone control modules and method and coveyor system incorporating the sameMar 07, 03Oct 09, 07[G06F]
6302266 Conveyor control system employing zone control moduleJan 15, 99Oct 16, 01[B65G]
5211198 Poppet construction for valveOct 15, 92May 18, 93[F16K, F15B]

Expired/Abandoned/Withdrawn Patents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]
6488050 Pneumatic valve assemblyExpiredJul 10, 01Dec 03, 02[F16K, F15B]
6405757 Low power solenoid valve assemblyExpiredAug 01, 00Jun 18, 02[F16K, F15B]
4971115 Four-way poppet valve with hollow stem and four-port bodyExpiredJul 27, 89Nov 20, 90[F16K, F15B]
4915134 Three-way poppet valve with hollow stemExpiredJul 27, 89Apr 10, 90[F15B]
4842020 Double-solenoid single-stem four-way valveExpiredAug 19, 88Jun 27, 89[F15B]
4823842 Single-stem four-way valveExpiredFeb 16, 88Apr 25, 89[F15B]
4524807 Snap-together modular manifold constructionExpiredMay 21, 82Jun 25, 85[F16L]
4501299 Plunger-type valveExpiredMay 21, 82Feb 26, 85[F16K]
4494572 Four-way poppet valve assemblyExpiredSep 30, 82Jan 22, 85[F15B]
4428276 O-Ring seal for piston of double-acting fluid pressure cylinderExpiredOct 19, 81Jan 31, 84[F16J]
4382452 Exhaust flow control valve for manifold plateExpiredApr 27, 81May 10, 83[F16K]
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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