Inventor · disambiguated record
John Cambridge Smith
Also filed as: SMITH JOHN C · SMITH JOHN CAMBRIDGE
7 granted patents·1 pending application·90 citations·filing 1977–2005
84Inventor score
Top patents by PatentIndex Score
8 records- 0185US5863317AApparatus for gas liquid separationBOC GROUP PLC·Filed 1997·Granted Jan 26, 1999·47 cites·14 claims
- 0267US6935364B1Magnetically-operated relief valvesBOC GROUP PLC·Filed 2000·Granted Aug 30, 2005·19 cites·10 claims
- 0354US4311417AMine roof supportFLETCHER SUTCLIFFE WILD LTD·Filed 1980·Granted Jan 19, 1982·9 cites·6 claims
- 0446US4268193AMine roof supportsFLETCHER SUTCLIFFE WILD LTD·Filed 1979·Granted May 19, 1981·5 cites·7 claims
- 0542US6536676B2ValvesBOC GROUP PLC·Filed 2001·Granted Mar 25, 2003·2 cites·4 claims
- 0641US4226558AControl systemFLETCHER SUTCLIFFE WILD LTD·Filed 1979·Granted Oct 7, 1980·7 cites·5 claims
- 0729US2009114047A1Gear AssemblyIRA LEE ZEBRAK THE BOC GROUP I·Filed 2005·Application pending·0 cites
- 0826US4117687AMine roof supportsFLETCHER SUTCLIFFE WILD LTD·Filed 1977·Granted Oct 3, 1978·1 cites·10 claims
Join the waitlist — get patent alerts
Get an alert when John Cambridge Smith files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →