Inventor · disambiguated record
Harold E. Johnston
Also filed as: JOHNSTON HAROLD · JOHNSTON HAROLD E · JOHNSTON HAROLD EUGENE
15 granted patents·3 pending applications·168 citations·filing 1977–2020
92Inventor score
Files withALLIANT TECHSYSTEMS INC6JOHNSTON HAROLD E4JOHNSTON HAROLD2CORDANT TECH INC1NORTHROP GRUMMAN INNOVATION SYSTEMS INC1
Top patents by PatentIndex Score
18 records- 0190US7238336B2Method for the production of α-alaneALLIANT TECHSYSTEMS INC·Filed 2006·Granted Jul 3, 2007·15 cites·13 claims
- 0288US5072549AMethod of cutting gemstones and productJOHNSTON HAROLD·Filed 1989·Granted Dec 17, 1991·54 cites·16 claims
- 0387US5874574AProcess of crystallizing 2,4,6,8,10,12-hexanitro-2,4,6,8,10,12,-hexaazatetracyclo 5.5.0.0.5,903,11!- dodecaneCORDANT TECH INC·Filed 1997·Granted Feb 23, 1999·40 cites·27 claims
- 0473US9697PAcer palmatum named `Beni Shi En`Filed 1996·Granted Nov 19, 1996·2 cites·1 claims
- 0570US4164930ACooking stoveJOHNSTON HAROLD E·Filed 1977·Granted Aug 21, 1979·22 cites·14 claims
- 0670US2021253492A1Systems for producing demn eutecticNORTHROP GRUMMAN SYSTEMS CORP·Filed 2020·Application pending·0 cites
- 0769US6416601B1Method of recovery for nitramines from aluminized energetic materialsALLIANT TECHSYSTEMS INC·Filed 2001·Granted Jul 9, 2002·4 cites·21 claims
- 0868US6984746B2Method for the production of α-alaneALLIANT TECHSYSTEMS INC·Filed 2004·Granted Jan 10, 2006·8 cites·22 claims
- 0968US6512113B1Synthesis for 4,10-dinitro-2,6,8,12-tetraoxa-4,10-diazatetracyclo[5.5.0.05,903,11]-dodecaneALLIANT TECHSYSTEMS INC·Filed 2000·Granted Jan 28, 2003·4 cites·20 claims
- 1067US10836687B2Systems for producing DEMN eutectic, and related methods of forming an energetic compositionNORTHROP GRUMMAN INNOVATION SYSTEMS INC·Filed 2017·Granted Nov 17, 2020·0 cites·10 claims
- 1166US6870061B2Continuous process and system for production of glycidyl nitrate from glycerin, nitric acid and caustic and conversion of glycidyl nitrate to poly(glycidyl nitrate)ALLIANT TECHSYSTEMS INC·Filed 2003·Granted Mar 22, 2005·3 cites·83 claims
- 1266USD304698SGemstoneJOHNSTON HAROLD·Filed 1986·Granted Nov 21, 1989·12 cites·1 claims
- 1364US9650307B2Methods for producing DEMN eutecticORBITAL ATK INC·Filed 2013·Granted May 16, 2017·0 cites·17 claims
- 1461US8282751B2Methods of forming a sensitized explosive and a percussion primerJOHNSTON HAROLD E·Filed 2009·Granted Oct 9, 2012·2 cites·20 claims
- 1560US6610157B1Prilled energetic particles, and process for making the sameALLIANT TECHSYSTEMS INC·Filed 2001·Granted Aug 26, 2003·2 cites·19 claims
- 1658US8460486B1Percussion primer composition and systems incorporating sameJOHNSTON HAROLD E·Filed 2012·Granted Jun 11, 2013·0 cites·44 claims
- 1751US2006219341A1Heavy metal free, environmentally green percussion primer and ordnance and systems incorporating sameJOHNSTON HAROLD E·Filed 2005·Application pending·0 cites
- 1838US2004133046A1Continuous process for preparing alkoxynitroarenesFiled 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →