Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
PO

Peter Opsvik

PAPeter Opsvik As: 17 patents #1 of 5Top 20%
SAScandinavian Business Seating As: 3 patents #3 of 8Top 40%
SAStokke As: 1 patents #16 of 28Top 60%
UNUnknown: 1 patents #29,356 of 83,584Top 40%
Oslo, NO: #5 of 2,623 inventorsTop 1%
Overall (All Time): #38,054 of 4,157,543Top 1%
61 Patents All Time

Issued Patents All Time

Showing 26–50 of 61 patents

Patent #TitleCo-InventorsDate
6095606 Adjusting device for chairs 2000-08-01
6053574 Device for adjusting the tilting resistance of a chair seat 2000-04-25
5860696 Cushion for a chair, especially a detachable cushion for a child's seat Merete Hagen 1999-01-19
5782532 Arrangement in a chair, especially a chair for children 1998-07-21
D383007 Chair 1997-09-02
D374354 Chair 1996-10-08
D370569 Chair 1996-06-11
5490715 Arrangement in a chair 1996-02-13
D366979 Chair guard 1996-02-13
5255957 Arrangement in a chair, for example a combined chair Hans C. Mengshoel 1993-10-26
D323073 Combined chair and knee rest 1992-01-14
4960305 Air comprising supports for the posterior and the shins, respectively, of a chair occupant 1990-10-02
4897140 Method for making a pipe-shaped body of wood 1990-01-30
4890886 Tilting mechanism, preferably for a chair seat or similar article 1990-01-02
D297690 Combined chair base and shin support unit 1988-09-20
4767159 Chair having supporting member for the posterior and the shins, respectively, of a chair occupant 1988-08-30
4767160 Device for use in a kneeling-like sitting position Hans C. Mengshoel 1988-08-30
D294545 Seat cushion and support unit for a combined seat and kneeler 1988-03-08
D294546 Shin cushion and support unit for a combined seat and kneeler 1988-03-08
D293049 Chair 1987-12-08
D292853 Chair 1987-11-24
D292756 Chair 1987-11-17
D292453 Chair 1987-10-27
D291264 Combined kneeler and seat unit Hans C. Mengshoel 1987-08-11
D289119 Combined seat and knee rest support arm for a chair 1987-04-07