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JACOBS MFG CO

Overview
  • Total Patents
    544
About

JACOBS MFG CO has a total of 544 patent applications. Its first patent ever was published in 1906. It filed its patents most often in United States, United Kingdom and Canada. Its main competitors in its focus markets engines, pumps and turbines, machine tools and machines are PARKER J, LAVOIE ALPHONSE JOSEPH and ROEHM GUENTER H.

Patent filings per year

Chart showing JACOBS MFG COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Quenneville Raymond Noel 34
#2 Merrick Stoner Arthur 33
#3 Derbyshire George Cecil 30
#4 Haviland Girard S 27
#5 Stoner Arthur M 20
#6 Sickler Kenneth Harold 19
#7 Stoner Arthur Merrick 18
#8 Quenneville Raymond N 18
#9 Mccarthy Donald J 15
#10 Derbyshire George C 15

Latest patents

Publication Filing date Title
US4898206A Compression release retarder with valve motion modifier
US4840387A Self-actuating keyless chuck
US4793307A Rocker arm decoupler for two-cycle engine retarder
US4838516A Compression release retarder with valve motion modifier
GB8631074D0 Drill chuck
US4706625A Engine retarder with reset auto-lash mechanism
US4706624A Compression release retarder with valve motion modifier
IE861442L Compression release type engine retarding
EP0396154A2 Valve disabling mechanism for an internal combustion engine
EP0302288A1 Disengageable valve drive means
US4664070A Hydro-mechanical overhead for internal combustion engine
US4592319A Engine retarding method and apparatus
JPS60259715A Compression release engine delay method and apparatus
NZ217093A Compression release 1.c.engine retarding process using electronic control of hydraulic circuits for valve actuation
US4572114A Process and apparatus for compression release engine retarding producing two compression release events per cylinder per engine cycle
US4688384A Braking boost pressure modulator and method
GB8503530D0 Drill chucks
US4611960A Tool holder
US4510900A Hydraulic pulse engine retarder
US4545628A Tool chest with retractable step