Inventor · disambiguated record
Erik S. Ellifson
Also filed as: ELLIFSON ERIK · ELLIFSON ERIK S
64 granted patents·10 pending applications·3,853 citations·filing 2008–2025
99Inventor score
Files withOSHKOSH DEFENSE LLC39OSHKOSH CORP31VENTON-WALTERS ROY2ELLIFSON ERIK1LINSMEIER CATHERINE R1
Top patents by PatentIndex Score
74 records- 0199US10940728B2Suspension element systems and methodsOSHKOSH DEFENSE LLC·Filed 2020·Granted Mar 9, 2021·44 cites·20 claims
- 0299US10632805B1Suspension element systems and methodsOSHKOSH DEFENSE LLC·Filed 2018·Granted Apr 28, 2020·111 cites·13 claims
- 0399US10611203B1Suspension element lockoutOSHKOSH DEFENSE LLC·Filed 2018·Granted Apr 7, 2020·79 cites·13 claims
- 0499US9944145B2Suspension elementOSHKOSH DEFENSE LLC·Filed 2015·Granted Apr 17, 2018·85 cites·12 claims
- 0598US11712964B1Systems and methods for vehicle suspensionsOSHKOSH CORP·Filed 2020·Granted Aug 1, 2023·8 cites·20 claims
- 0698US11255401B2Limiting system for a vehicle suspension componentOSHKOSH DEFENSE LLC·Filed 2020·Granted Feb 22, 2022·7 cites·20 claims
- 0798US11135890B2Position dependent damper for a vehicle suspension systemOSHKOSH DEFENSE LLC·Filed 2019·Granted Oct 5, 2021·46 cites·20 claims
- 0898US10974561B2Suspension elementOSHKOSH DEFENSE LLC·Filed 2019·Granted Apr 13, 2021·47 cites·17 claims
- 0998US10619696B2Limiting system for a vehicle suspension componentOSHKOSH DEFENSE LLC·Filed 2018·Granted Apr 14, 2020·78 cites·17 claims
- 1098US10422403B2Damper assemblyOSHKOSH DEFENSE LLC·Filed 2017·Granted Sep 24, 2019·58 cites·16 claims
- 1198US10421332B2Gas spring assembly for a vehicle suspension systemOSHKOSH DEFENSE LLC·Filed 2017·Granted Sep 24, 2019·103 cites·15 claims
- 1298US10369860B2Position dependent damper for a vehicle suspension systemOSHKOSH DEFENSE LLC·Filed 2017·Granted Aug 6, 2019·104 cites·20 claims
- 1398US10350956B2Suspension elementOSHKOSH DEFENSE LLC·Filed 2018·Granted Jul 16, 2019·62 cites·17 claims
- 1498US10030737B2Limiting system for a vehicle suspension componentOSHKOSH DEFENSE LLC·Filed 2016·Granted Jul 24, 2018·108 cites·17 claims
- 1598US9809080B2Position dependent damper for a vehicle suspension systemOSHKOSH DEFENSE LLC·Filed 2016·Granted Nov 7, 2017·131 cites·20 claims
- 1698US9765841B2Damper assemblyOSHKOSH DEFENSE LLC·Filed 2015·Granted Sep 19, 2017·80 cites·5 claims
- 1798US9688112B2Gas spring assembly for a vehicle suspension systemOSHKOSH DEFENSE LLC·Filed 2015·Granted Jun 27, 2017·132 cites·17 claims
- 1898US9327576B2Valve for a vehicle suspension systemOSHKOSH DEFENSE LLC·Filed 2014·Granted May 3, 2016·131 cites·20 claims
- 1998US9303715B2Limiting system for a vehicle suspension componentOSHKOSH CORP·Filed 2013·Granted Apr 5, 2016·116 cites·9 claims
- 2098US9291230B2Position dependent damper for a vehicle suspension systemOSHKOSH CORP·Filed 2014·Granted Mar 22, 2016·143 cites·17 claims
- 2198US8991834B2Gas spring assembly for a vehicle suspension systemOSHKOSH CORP·Filed 2014·Granted Mar 31, 2015·175 cites·20 claims
- 2298US8876133B2Valve for a vehicle suspension systemOSHKOSH CORP·Filed 2013·Granted Nov 4, 2014·153 cites·10 claims
- 2398US8821130B2Pump for vehicle suspension systemOSHKOSH CORP·Filed 2013·Granted Sep 2, 2014·71 cites·11 claims
- 2498US8801017B2Position dependent damper for a vehicle suspension systemOSHKOSH CORP·Filed 2013·Granted Aug 12, 2014·185 cites·10 claims
- 2598US8764029B2Gas spring assembly for a vehicle suspension systemOSHKOSH CORP·Filed 2013·Granted Jul 1, 2014·186 cites·16 claims
- 2698US8596648B2Pump for vehicle suspension systemVENTON-WALTERS ROY·Filed 2010·Granted Dec 3, 2013·173 cites·20 claims
- 2798US8465025B2Gas spring assembly for a vehicle suspensionVENTON-WALTERS ROY·Filed 2010·Granted Jun 18, 2013·185 cites·20 claims
- 2897US11993121B1Pitch and roll control system for a vehicleOSHKOSH CORP·Filed 2023·Granted May 28, 2024·7 cites·4 claims
- 2997US11649874B2Limiting system for a vehicle suspension componentOSHKOSH DEFENSE LLC·Filed 2022·Granted May 16, 2023·3 cites·20 claims
- 3097US11209067B2Damper assemblyOSHKOSH DEFENSE LLC·Filed 2019·Granted Dec 28, 2021·44 cites·4 claims
- 3197US11199239B2Suspension element systems and methodsOSHKOSH DEFENSE LLC·Filed 2019·Granted Dec 14, 2021·53 cites·20 claims
- 3297US9581153B2Pump for vehicle suspension systemOSHKOSH CORP·Filed 2014·Granted Feb 28, 2017·35 cites·10 claims
- 3396US11529836B1Pitch and roll control system for a vehicleOSHKOSH CORP·Filed 2019·Granted Dec 20, 2022·29 cites·18 claims
- 3496US9707869B1Military vehicleOSHKOSH DEFENSE LLC·Filed 2015·Granted Jul 18, 2017·250 cites·10 claims
- 3596US9174686B1Military vehicleOSHKOSH CORP·Filed 2013·Granted Nov 3, 2015·285 cites·11 claims
- 3696US9127738B2Damper assemblyELLIFSON ERIK·Filed 2011·Granted Sep 8, 2015·108 cites·16 claims
- 3796US8333390B2Ride-height control systemLINSMEIER CATHERINE R·Filed 2008·Granted Dec 18, 2012·206 cites·31 claims
- 3895US12404847B2Reciprocating piston pumpOSHKOSH CORP·Filed 2023·Granted Sep 2, 2025·4 cites·20 claims
- 3995US11225120B2Gas spring assembly for a vehicle suspension systemOSHKOSH DEFENSE LLC·Filed 2021·Granted Jan 18, 2022·3 cites·20 claims
- 4093US11685219B2Position dependent damper for a vehicle suspension systemOSHKOSH DEFENSE LLC·Filed 2021·Granted Jun 27, 2023·2 cites·15 claims
- 4193US11584185B1Pitch and roll control system for a vehicleOSHKOSH CORP·Filed 2019·Granted Feb 21, 2023·9 cites·20 claims
- 4293US11293514B2Limiting system for a vehicle suspension componentOSHKOSH DEFENSE LLC·Filed 2019·Granted Apr 5, 2022·3 cites·16 claims
- 4390US12491943B1Systems and methods for a military vehicleOSHKOSH DEFENSE LLC·Filed 2022·Granted Dec 9, 2025·2 cites·20 claims
- 4490US11325437B2Suspension element lockoutOSHKOSH DEFENSE LLC·Filed 2020·Granted May 10, 2022·2 cites·13 claims
- 4589US11378148B2Damper assemblyOSHKOSH DEFENSE LLC·Filed 2021·Granted Jul 5, 2022·1 cites·8 claims
- 4688US12065007B1Pitch and roll control system for a vehicleOSHKOSH CORP·Filed 2022·Granted Aug 20, 2024·1 cites·18 claims
- 4787US11225119B2Gas spring assembly for a vehicle suspension systemOSHKOSH DEFENSE LLC·Filed 2019·Granted Jan 18, 2022·3 cites·20 claims
- 4887US2025368025A1Structural refuse vehicle body with undermounted batteriesOSHKOSH CORP·Filed 2025·Application pending·0 cites
- 4984US12441151B1Gas spring assembly for a vehicle suspension systemOSHKOSH DEFENSE LLC·Filed 2024·Granted Oct 14, 2025·0 cites·20 claims
- 5083US12397635B2Systems and methods for vehicle suspensionsOSHKOSH CORP·Filed 2024·Granted Aug 26, 2025·0 cites·20 claims
Showing the top 50 of 74 patent records by PatentIndex Score.
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