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CAMERON IRON WORKS INC

Overview
  • Total Patents
    1,355
About

CAMERON IRON WORKS INC has a total of 1,355 patent applications. Its first patent ever was published in 1931. It filed its patents most often in United States, Canada and Japan. Its main competitors in its focus markets civil engineering, mechanical elements and machines are OIL CT TOOL COMPANY, NAT OILWELL and ENERGY EQUIPMENT CORP.

Patent filings per year

Chart showing CAMERON IRON WORKS INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Herbert Allen 110
#2 Taylor William M 70
#3 Jones Marvin R 64
#4 Baker Gerald S 43
#5 Allen Herbert 42
#6 Cassity Thomas G 41
#7 Smith Jerry D 32
#8 Schmitz Thomas R 30
#9 Szymczak Edward J 30
#10 Mcever James P 22

Latest patents

Publication Filing date Title
JPH03279591A Shearing gage device
CA2012534A1 Wear bushing retrieval tool
CA2012119A1 Collet type connector
EP0384554A1 Segmental tubular connectors
US4921207A Actuated gate valve with manual override
US4925154A Gate valve with supplemental actuator
GB8918842D0 Valve seat mechanism
GB8918517D0 Location of tubular members
US4923006A Insulating support for tubing string
US4911410A Shearing gate valve
US4911244A Marine casing suspension apparatus
JPH0274784A Retrievable guide post
EP0357180A1 Subsea guidebase
CA1324624C Elastomer seal structure
JPH0227090A Annulus valve for concentric tubing hanger
GB8907446D0 Wear bushing retrieval tool
CA1318585C Blowout preventer testing apparatus
US4871143A Gate valve with supplemental actuator
US4923221A Safety connection into passages in a tubular body
US4921281A Safety connection into passages in a tubular body