KEILHAUER LTD.
5Patents
2Active
5Granted
32Portfolio score
Filing activity: Dec 1, 2004 → Jun 13, 2016
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD572049S1 | Unified chair seat and back | General | 79 | Expired |
| US7547067B2 | Tilt and swivel chair and mechanism therefor | Human Necessities | 32 | Expired |
| USD582692S1 | Bariatric chair | General | 27 | Expired |
| US10264893B2 | Swing arm mechanism for tablet chair | Human Necessities | 8 | Active |
| US9585479B2 | Seat pan-based spring tilt mechanism | Human Necessities | 2 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.