Inventor · disambiguated record
Stephen D. Johnson
Also filed as: JOHNSON STEPHEN · JOHNSON STEPHEN D · JOHNSON STEPHEN DAVID
12 granted patents·258 citations·filing 1977–2018
92Inventor score
Files withACCENTURE GLOBAL SERVICES LTD2CASE CO J I2NORTHROP GRUMMAN SYSTEMS CORP2CASS CONSTRUCTION INC1EAGLE PICHER IND INC1
Top patents by PatentIndex Score
12 records- 0195US10043006B2Event anomaly analysis and predictionACCENTURE GLOBAL SERVICES LTD·Filed 2016·Granted Aug 7, 2018·42 cites·20 claims
- 0295US9975633B1Collapsible ducted fan unmanned aerial systemNORTHROP GRUMMAN SYSTEMS CORP·Filed 2016·Granted May 22, 2018·34 cites·20 claims
- 0393US10909241B2Event anomaly analysis and predictionACCENTURE GLOBAL SERVICES LTD·Filed 2018·Granted Feb 2, 2021·14 cites·20 claims
- 0491US6386836B1Dual gerotor pump for use with automatic transmissionEAGLE PICHER IND INC·Filed 2000·Granted May 14, 2002·39 cites·8 claims
- 0584US9937999B2Deployable propellerNORTHROP GRUMMAN SYSTEMS CORP·Filed 2015·Granted Apr 10, 2018·5 cites·20 claims
- 0684US6283483B1Electronicallly controlled ackerman steeringPACCAR INC·Filed 1999·Granted Sep 4, 2001·63 cites·14 claims
- 0769US6592348B1Lubricant pump and method of producingPRODUCTION RES INC·Filed 2002·Granted Jul 15, 2003·16 cites·20 claims
- 0864US4138909ABolt extractorJOHNSON STEPHEN·Filed 1977·Granted Feb 13, 1979·17 cites·1 claims
- 0963US4278394AReleasable boom lockCASE CO J I·Filed 1979·Granted Jul 14, 1981·15 cites·1 claims
- 1048US7220111B2Hydraulic pumpPRODUCTION RES LLC·Filed 2004·Granted May 22, 2007·6 cites·14 claims
- 1142US7500804B2Compaction wheel system and methodCASS CONSTRUCTION INC·Filed 2006·Granted Mar 10, 2009·3 cites·11 claims
- 1236US4608911ALocking circuit for hydraulic systemsCASE CO J I·Filed 1985·Granted Sep 2, 1986·4 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →