Inventor · disambiguated record
David T. Allan
Also filed as: ALLAN DAVID · ALLAN DAVID T · ALLAN DAVID THOMSON
13 granted patents·139 citations·filing 1976–2011
91Inventor score
Top patents by PatentIndex Score
13 records- 0177USD648997SPortable angle impact toolALLAN DAVID·Filed 2011·Granted Nov 22, 2011·23 cites·1 claims
- 0275US4502734AScabbler bitsALLAN DAVID T·Filed 1982·Granted Mar 5, 1985·28 cites·7 claims
- 0370US5095600APaving breakers and supports thereforALLAN DAVID T·Filed 1990·Granted Mar 17, 1992·33 cites·8 claims
- 0452US4186810AFluid operated undercutterTHOMSON ALLAN DAVID·Filed 1977·Granted Feb 5, 1980·17 cites·17 claims
- 0550US6755260B1Pneumatic toolMACDONALD AIR TOOLS LTD·Filed 2000·Granted Jun 29, 2004·11 cites·7 claims
- 0645US4225187AScabbler bit floor surfacing machineTHOMSON ALLAN DAVID·Filed 1978·Granted Sep 30, 1980·8 cites·5 claims
- 0743US4153121AFluid operated undercutterMACDONALD PNEUMATICS·Filed 1976·Granted May 8, 1979·8 cites·3 claims
- 0833USD638680SCircular sawCHERVON LTD·Filed 2010·Granted May 31, 2011·1 cites·1 claims
- 0932US4534421ATool assemblyALLAN DAVID T·Filed 1982·Granted Aug 13, 1985·3 cites·13 claims
- 1031US4997050AScabbler bitsJOHN MACDONALD AND COMPANY PNE·Filed 1989·Granted Mar 5, 1991·5 cites·7 claims
- 1128US4526190AControl valve assemblyALLAN DAVID T·Filed 1983·Granted Jul 2, 1985·0 cites·4 claims
- 1226US4140347AFluid operated wall groove cutterMACDONALD PNEUMATICS·Filed 1977·Granted Feb 20, 1979·0 cites·9 claims
- 1324US4841842AApparatus for scabbling concreteJOHN MACDONALD & PNEUMATIC TOO·Filed 1986·Granted Jun 27, 1989·2 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →