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SIMPSON IND INC

Overview
  • Total Patents
    54
About

SIMPSON IND INC has a total of 54 patent applications. Its first patent ever was published in 1970. It filed its patents most often in United States, United Kingdom and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets mechanical elements, machines and engines, pumps and turbines are HAUSHALTER FRED L, BERNARD SALOMON FRANCOIS MARIE and HUGH C LORD.

Patent filings per year

Chart showing SIMPSON IND INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Killion David L 15
#2 Veldman Robert 10
#3 Brinker Daniel 10
#4 Elzerman Brian 10
#5 Merrill Ben 10
#6 Sisco William C 9
#7 Haylett Timothy M 7
#8 Ferguson Robert J 7
#9 Hendrian Michael D 6
#10 Crist Robert J 5

Latest patents

Publication Filing date Title
AU8035700A Improved energy efficient fluid pump
US6212981B1 Knuckle hub fixture assembly and method of using
US2001045770A1 Knuckle hub assembly and method for making same
WO0000726A1 Oil/air scavenging system for balance shaft housings
GB0129516D0 Pump seal flushing system
US6216327B1 Spoke centered puller tab crankshaft damper hub
US6079942A Pump seal flushing ring
EP1053407A1 High value static unbalance-type balance shafts
US6237442B1 High value static unbalance-type balance shafts
US6167782B1 Engine module locator bushing
JPH11141349A Crank shaft vibration damper
WO9850698A1 Multiple pump control arrangement
GB0001829D0 Balance shafts having minimal mass
US5857388A Balance shafts having minimal mass
US5483932A Hollow balance shaft
GB9522399D0 Dual mode damper
US5231893A Dual mode damper
US4848183A Camshaft damper
US4849047A Vibration damper bonding system
US4580666A Dynamic linear vibration damper