Inventor · Port Wing, WI, US

Jay Engstrom

19Patents
10h-index
12Co-inventors
69Inventor score

Filing activity: Jan 7, 1991 → Jun 2, 2016

Most-cited inventions

PatentTitleAreaCited byStatus
US9383159B2 De-cocking mechanism for a bow Mechanical Engineering; Lighting; Heating 48 Active
US9255753B2 Energy storage device for a bow Emerging Cross-Sectional Technologies 37 Active
US8079380B2 Portable ice house Emerging Cross-Sectional Technologies 36 Active
US7921570B1 Eye alignment assembly for targeting systems Mechanical Engineering; Lighting; Heating 22 Active
US5105910A Portable tree stand assembly for hunters Human Necessities 22 Expired
US8689454B2 Multi-axis bow sight Mechanical Engineering; Lighting; Heating 16 Active
US8839525B2 Pin array adjustment system for multi-axis bow sight Mechanical Engineering; Lighting; Heating 13 Active
US8186068B2 Bow sight and eye alignment assembly with phosphorescent fiber Human Necessities 13 Active
US6622823B2 Tree climbing apparatus Human Necessities 13 Expired
US8739419B1 Bow sight with improved laser rangefinder Mechanical Engineering; Lighting; Heating 12 Active
US7814668B1 Eye alignment assembly Human Necessities 9 Active
US8079153B2 Bow sight and eye alignment assembly with tapered frame Human Necessities 9 Active
US10260835B2 Cocking mechanism for a crossbow Mechanical Engineering; Lighting; Heating 9 Active
US8851057B2 Bow press Mechanical Engineering; Lighting; Heating 5 Active
US8973277B2 Multi-axis bow sight Mechanical Engineering; Lighting; Heating 4 Active
US8661696B2 Eye alignment assembly Performing Operations; Transporting 4 Active
US8511354B2 Log splitter Emerging Cross-Sectional Technologies 4 Active
US10463135B2 Equipment carrier with a tensioned tether that retains equipment in an equipment holder Human Necessities 1 Active
US9587912B2 Eye alignment assembly Performing Operations; Transporting 1 Active

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