Peter Opsvik AS
🏢 View company profile →17Patents
10Active
17Granted
43Portfolio score
Filing activity: Aug 16, 1988 → Jul 10, 2019 · 4 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4890886A | Tilting mechanism, preferably for a chair seat or similar article | Human Necessities | 51 | Expired |
| US6053574A | Device for adjusting the tilting resistance of a chair seat | Human Necessities | 19 | Expired |
| US6095606A | Adjusting device for chairs | Human Necessities | 14 | Expired |
| US7134677B2 | Foldable scooter | Performing Operations; Transporting | 12 | Expired |
| US9161636B2 | Baby cradle and mounting device | Performing Operations; Transporting | 12 | Active |
| US8152239B2 | Safety bow for a children's chair | Human Necessities | 9 | Active |
| US7992935B2 | Back supporting device | Human Necessities | 6 | Active |
| USD614893S1 | Backrest stanchion for a child's chair | General | 6 | Expired |
| USD898421S1 | Cushion | General | 4 | Active |
| US7744163B2 | Fastening bracket for a chair | Emerging Cross-Sectional Technologies | 3 | Active |
| USD877524S1 | Baby chair cushion | General | 3 | Active |
| USD924575S1 | Back rest for a chair | General | 2 | Active |
| USD556477S1 | Safety bow for children's chair | General | 2 | Expired |
| USD629235S1 | Safety bow | General | 1 | Expired |
| USD911722S1 | Baby seat | General | 1 | Active |
| US8672412B2 | Fastening device for a chair | Emerging Cross-Sectional Technologies | 0 | Active |
| US9963160B2 | Combined scooter and handcart | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.