Inventor · Bemidji, MN, US

John Edward Hamrin

22Patents
6h-index
27Co-inventors
69Inventor score

Filing activity: Feb 8, 1999 → May 11, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US8827856B1 Infinitely variable transmission with an IVT stator controlling assembly Mechanical Engineering; Lighting; Heating 41 Active
US8814739B1 Continuously variable transmission with an axial sun-idler controller Mechanical Engineering; Lighting; Heating 26 Active
US6082487A Mufflers for use with engine retarders; and methods Mechanical Engineering; Lighting; Heating 18 Expired
US6354398B1 Mufflers for use with engine retarders; and methods Mechanical Engineering; Lighting; Heating 16 Expired
US7810601B2 All terrain or utility vehicle having selectable drive configurations and method therefore Emerging Cross-Sectional Technologies 12 Active
US10253881B2 Systems and methods for axial force generation Mechanical Engineering; Lighting; Heating 12 Active
US7278945B2 Differential Mechanical Engineering; Lighting; Heating 5 Expired
US6334506B1 Muffler arrangements and methods Mechanical Engineering; Lighting; Heating 5 Expired
US11047464B2 Differential with bi-directional overrunning clutch Mechanical Engineering; Lighting; Heating 4 Active
US7591355B2 Disconnect Mechanical Engineering; Lighting; Heating 3 Active
US10830324B2 Vehicle layout with a continuously variable transmission Emerging Cross-Sectional Technologies 2 Active
US9133918B2 Continuously variable transmission with differential controlling assemblies Mechanical Engineering; Lighting; Heating 1 Active
US9057439B2 Infinitely variable transmission with IVT traction ring controlling assemblies Mechanical Engineering; Lighting; Heating 1 Active
US9322461B2 Continuously variable transmission with input/output planetary ratio assembly Mechanical Engineering; Lighting; Heating 1 Active
US10385949B2 Shift on the fly transmission Mechanical Engineering; Lighting; Heating 1 Active
US10935087B2 Clutch assembly Mechanical Engineering; Lighting; Heating 0 Active
US11781608B2 Roller cage assembly for an overrunning clutch Mechanical Engineering; Lighting; Heating 0 Active
US11592094B2 Differential having an overrunning clutch with inertial compensation tuning Mechanical Engineering; Lighting; Heating 0 Active
US11828354B2 Overrunning clutch differential with a locking mechanism Mechanical Engineering; Lighting; Heating 0 Active
US7367913B2 Wet brake system for vehicles Mechanical Engineering; Lighting; Heating 0 Expired
US11293360B2 Smart driveline disconnect Mechanical Engineering; Lighting; Heating 0 Active
US12049956B2 Vehicle with continuously variable transmission having operational modes Mechanical Engineering; Lighting; Heating 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.