Inventor · disambiguated record
David E. Johnson
Also filed as: JOHNSON DAVID E · JOHNSON DAVID EARL
14 granted patents·125 citations·filing 1976–1985
91Inventor score
Top patents by PatentIndex Score
14 records- 0182US4422384AAll position tractorARCAIR CO·Filed 1981·Granted Dec 27, 1983·31 cites·5 claims
- 0274US4540225ASwivel cable coupling for an air carbon-arc cutting and gouging torchARCAIR CO·Filed 1983·Granted Sep 10, 1985·23 cites·10 claims
- 0374US4527037AElectrode drive and nozzle system for an automatic air carbon-arc cutting and gouging torchARCAIR CO·Filed 1983·Granted Jul 2, 1985·26 cites·9 claims
- 0465USD281250SCombined electrode drive and nozzle unit for an automatic air carbon-arc cutting and gouging torchARCAIR CO·Filed 1983·Granted Nov 5, 1985·10 cites·1 claims
- 0557US4361746AUnderwater cutting and welding torchAIR PROD & CHEM·Filed 1980·Granted Nov 30, 1982·13 cites·6 claims
- 0655USD297783SPortable enclosure for oxygen arc cutting equipmentARCAIR CO·Filed 1985·Granted Sep 27, 1988·7 cites·1 claims
- 0743USD282817SPositioner to support a gas cutting torch, a welding torch or the likeARCAIR CO·Filed 1983·Granted Mar 4, 1986·3 cites·1 claims
- 0842USD269973SCombined underwater cutting and welding torchARCAIR CO·Filed 1980·Granted Aug 2, 1983·3 cites·1 claims
- 0936USD271290SHeavy duty machine carriageARCAIR CO·Filed 1981·Granted Nov 8, 1983·1 cites·1 claims
- 1033USD273097SAll position tractor for mounting a tool such as a welding, cutting or gouging torchARCAIR CO·Filed 1981·Granted Mar 20, 1984·1 cites·1 claims
- 1132US4330109AHeavy duty carriage assemblyARCAIR CO·Filed 1981·Granted May 18, 1982·2 cites·9 claims
- 1228US4571478AElectrode drive and nozzle system for an automatic air carbon-arc cutting and gouging torchAIR PROD & CHEM·Filed 1984·Granted Feb 18, 1986·3 cites·28 claims
- 1328USD277191SCarriage mounted tool oscillatorARCAIR CO·Filed 1982·Granted Jan 15, 1985·0 cites·1 claims
- 1416US4018629AApparatus and method for guiding a cutting torchALCO GRAVURE INC·Filed 1976·Granted Apr 19, 1977·2 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →