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CHANDLER EVANS INC

Overview
  • Total Patents
    327
About

CHANDLER EVANS INC has a total of 327 patent applications. Its first patent ever was published in 1957. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets engines, pumps and turbines, machines and control are BECKER GMBH GEBR, SIHI GMBH & CO KG and TIANJIN PREMIER ESP PUMPING SYSTEMS CO LTD.

Patent filings per year

Chart showing CHANDLER EVANS INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Grennan Charles W 20
#2 Zagranski Raymond D 20
#3 Sundberg Jack G 18
#4 Cygnor John E 15
#5 White Albert H 15
#6 Howlett James J 14
#7 Noell Godwin L 11
#8 Morrison Terry 10
#9 Peck Robert E 9
#10 Thompson Raymond V 8

Latest patents

Publication Filing date Title
US4608820A Dual stepper motor actuator for fuel metering valve
US4608880A Push pull multiplier linkage
US4605235A High thrust capacity shaft seal assembly for fuel pumps
US4643635A Vapor core centrifugal pump having main and low flow impellers
US4537025A Electronic fuel control with manual training mode
US4529361A Vane pump having spokes with channel-shaped vanes
US4553914A Method and apparatus for main fuel pumping system having backup pump
US4531361A Torsional mode suppressor
US4578945A Overspeed limiter for gas turbine fuel control
US4629394A Centrifugal pump having low flow diffuser
US4487548A Centrifugal main fuel pump having starting element
CA1206261A Helicopter power available to hover indicator
US4417734A Shaft seal assembly having universal washer with bores for springs
US4493623A Oil lubricated main drive shaft for fuel pump
US4500268A Rotary pump having brake means with thermal fuse
US4478038A Electronic fuel control with manual training mode
US4454754A Engine failure detector
US4464895A Gas turbine engine starting technique and control
US4500966A Super contingency aircraft engine control
US4467640A Gas turbine engine power availability measurement