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WILDEN PUMP & ENG

Overview
  • Total Patents
    61
About

WILDEN PUMP & ENG has a total of 61 patent applications. Its first patent ever was published in 1979. It filed its patents most often in United States, Canada and EPO (European Patent Office). Its main competitors in its focus markets engines, pumps and turbines, machines and mechanical elements are WILDEN PUMP AND ENGINEERING LLC, GRAHAM GEORGE and BELLOFRAM CORP.

Patent filings per year

Chart showing WILDEN PUMP & ENGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wilden James K 11
#2 Jack Robert F 9
#3 Forman Eric L 9
#4 Kennedy Dennis E 8
#5 Pascual Wilfred David 7
#6 Eberwein Dennis D 6
#7 Duncan Gregory S 6
#8 Wilden James Kenneth 5
#9 Tuck Alan D Jr 5
#10 Pascual Wilfred D 5

Latest patents

Publication Filing date Title
US6168394B1 Air driven double diaphragm pump
US6152705A Air drive pumps and components therefor
US6257845B1 Air driven pumps and components therefor
US6102363A Actuator for reciprocating air driven devices
US5957670A Air driven diaphragm pump
CA2351923A1 Pressure relief valve for amplified pressure air drive diaphragm pump
US5927954A Amplified pressure air driven diaphragm pump and pressure relief value therefor
US5743170A Diaphragm mechanism for an air driven diaphragm pump
US5607290A Air driven diaphragm pump
US5611678A Shaft seal arrangement for air driven diaphragm pumping systems
US5362212A Air driven diaphragm pump
US5441281A Shaft seal
US5378122A Air driven diaphragm pump
US4549467A Actuator valve
US4339985A Air driven reciprocating device
EP0018143A1 Air driven diaphragm pump
US4242941A Actuator valve
US4247264A Air driven diaphragm pump
US4270441A Pump diaphragm