Inventor · disambiguated record
Darrill L. Plummer
Also filed as: PLUMMER DARRILL · PLUMMER DARRILL L · PLUMMER DARRILL LEE
12 granted patents·2 pending applications·237 citations·filing 1988–2022
91Inventor score
Files withINGERSOLL RAND CO5SCOTT TECH INC53M INNOVATIVE PROPERTIES CO13M INNOVATIVE PROPERTIES COMPANY1PLUMMER DARRILL1
Top patents by PatentIndex Score
14 records- 0193US7415995B2Method and system for independently filling multiple canisters from cascaded storage stationsSCOTT TECHNOLOGIES·Filed 2005·Granted Aug 26, 2008·118 cites·20 claims
- 0292US9890905B2Method and system for filling a gas cylinderSCOTT TECH INC·Filed 2016·Granted Feb 13, 2018·16 cites·22 claims
- 0389US9310024B2Method and system for filling a gas cylinderSCOTT TECH INC·Filed 2013·Granted Apr 12, 2016·14 cites·7 claims
- 0483US10089889B2Unmanned aerial vehicle for situational awareness to first responders and alarm investigationSCOTT TECH INC·Filed 2015·Granted Oct 2, 2018·8 cites·19 claims
- 0571US11883695B2Respirator mask with air-saver switchSCOTT TECH INC·Filed 2021·Granted Jan 30, 2024·0 cites·19 claims
- 0666US5562431AIsolated backstop for flexible compressor valveINGERSOLL RAND CO·Filed 1995·Granted Oct 8, 1996·25 cites·13 claims
- 0765US5064359AAnnular support for a seal for a tilt pistonINGERSOLL RAND CO·Filed 1990·Granted Nov 12, 1991·24 cites·20 claims
- 0864US12403337B2SCBA with enhanced emergency breathing support system3M INNOVATIVE PROPERTIES COMPANY·Filed 2022·Granted Sep 2, 2025·0 cites·17 claims
- 0964USD395899SReciprocating compressorINGERSOLL RAND CO·Filed 1996·Granted Jul 7, 1998·14 cites·1 claims
- 1053US11077323B2Respirator mask with air-saver switchSCOTT TECH INC·Filed 2016·Granted Aug 3, 2021·0 cites·20 claims
- 1151US2010065146A1Method and system for filling a gas cylinderPLUMMER DARRILL·Filed 2009·Application pending·0 cites
- 1250USD392649SReciprocating compressorINGERSOLL RAND CO·Filed 1996·Granted Mar 24, 1998·8 cites·1 claims
- 1344US2020238110A1Articulating Support Assembly For A Self-Contained Breathing Apparatus3M INNOVATIVE PROPERTIES CO·Filed 2018·Application pending·0 cites
- 1441US4924759APress-fit retaining ring with extrusion-holding chamfer for wobble-piston cup sealINGERSOLL RAND CO·Filed 1988·Granted May 15, 1990·10 cites·8 claims
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