PD

Patrick S. Dillman

OD Oshkosh Defense: 25 patents #12 of 119Top 15%
OS Oshkosh: 5 patents #108 of 384Top 30%
Overall (All Time): #116,387 of 4,157,543Top 3%
31
Patents All Time

Issued Patents All Time

Showing 25 most recent of 31 patents

Patent #TitleCo-InventorsDate
12404847 Reciprocating piston pump Kai Schubart, Christopher J. Rukas, Erik S. Ellifson, Aaron J. Rositch 2025-09-02
12370860 Position dependent damper Erik S. Ellifson, Jason J. Zuleger, Aaron J. Rositch, Robert K. Sollenskog 2025-07-29
12366279 Suspension element systems and methods Paul Dumitru, Aaron J. Rositch, Erik S. Ellifson, Kai Schubart, Robert K. Sollenskog 2025-07-22
12098757 Limiting system for a vehicle suspension component Erik S. Ellifson, Aaron J. Rositch 2024-09-24
12054027 Vehicle with a position dependent damper Erik S. Ellifson, Jason J. Zuleger, Aaron J. Rositch, Robert K. Sollenskog 2024-08-06
11932068 Suspension element lockout Aaron J. Rositch, Erik S. Ellifson, Kai Schubart 2024-03-19
11815078 Reciprocating piston pump comprising a housing defining a first chamber and a second chamber cooperating with a first piston and a second piston to define a third chamber and a fourth chamber Kai Schubart, Christopher J. Rukas, Erik S. Ellifson, Aaron J. Rositch 2023-11-14
11813917 Suspension element systems and methods Aaron J. Rositch, Erik S. Ellifson, Kai Schubart, Robert K. Sollenskog 2023-11-14
11738615 Suspension element Robert K. Sollenskog, Erik S. Ellifson, Aaron J. Rositch 2023-08-29
11732772 Limiting system for a vehicle suspension component Erik S. Ellifson, Aaron J. Rositch 2023-08-22
11685219 Position dependent damper for a vehicle suspension system Erik S. Ellifson, Jason J. Zuleger, Aaron J. Rositch, Robert K. Sollenskog 2023-06-27
11649874 Limiting system for a vehicle suspension component Erik S. Ellifson, Aaron J. Rositch 2023-05-16
11480165 Reciprocating piston pump comprising a housing defining a first chamber and a second chamber cooperating with a first piston and a second piston to define a third chamber and a fourth chamber Kai Schubart, Christopher J. Rukas, Erik S. Ellifson, Aaron J. Rositch 2022-10-25
11325437 Suspension element lockout Aaron J. Rositch, Erik S. Ellifson, Kai Schubart 2022-05-10
11293514 Limiting system for a vehicle suspension component Erik S. Ellifson, Aaron J. Rositch 2022-04-05
11255401 Limiting system for a vehicle suspension component Erik S. Ellifson, Aaron J. Rositch 2022-02-22
11199239 Suspension element systems and methods Paul Dumitru, Aaron J. Rositch, Erik S. Ellifson, Kai Schubart, Robert K. Sollenskog 2021-12-14
11135890 Position dependent damper for a vehicle suspension system Erik S. Ellifson, Jason J. Zuleger, Aaron J. Rositch, Robert K. Sollenskog 2021-10-05
10974561 Suspension element Robert K. Sollenskog, Erik S. Ellifson, Aaron J. Rositch 2021-04-13
10940728 Suspension element systems and methods Aaron J. Rositch, Erik S. Ellifson, Kai Schubart, Robert K. Sollenskog 2021-03-09
10632805 Suspension element systems and methods Aaron J. Rositch, Erik S. Ellifson, Kai Schubart, Robert K. Sollenskog 2020-04-28
10619696 Limiting system for a vehicle suspension component Erik S. Ellifson, Aaron J. Rositch 2020-04-14
10611203 Suspension element lockout Aaron J. Rositch, Erik S. Ellifson, Kai Schubart 2020-04-07
10369860 Position dependent damper for a vehicle suspension system Erik S. Ellifson, Jason J. Zuleger, Aaron J. Rositch, Robert K. Sollenskog 2019-08-06
10350956 Suspension element Robert K. Sollenskog, Erik S. Ellifson, Aaron J. Rositch 2019-07-16