David S. Teppo
32Patents
25h-index
37Co-inventors
81Inventor score
Filing activity: Oct 10, 1989 → Sep 15, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6394546B1 | Lumbar device | Emerging Cross-Sectional Technologies | 235 | Expired |
| US5975634A | Chair including novel back construction | Emerging Cross-Sectional Technologies | 224 | Expired |
| US6394549B1 | Seating unit with reclineable back and forwardly movable seat | Emerging Cross-Sectional Technologies | 142 | Expired |
| US5577807A | Adjustable chair actuator | Human Necessities | 133 | Expired |
| US7131700B2 | Back construction for seating unit | Emerging Cross-Sectional Technologies | 124 | Expired |
| US5979984A | Synchrotilt chair with forwardly movable seat | Emerging Cross-Sectional Technologies | 103 | Expired |
| US7427105B2 | Back construction for seating unit | Emerging Cross-Sectional Technologies | 91 | Active |
| US6991291B2 | Back construction for seating unit having spring bias | Emerging Cross-Sectional Technologies | 80 | Expired |
| US7114777B2 | Chair having reclineable back and movable seat | Emerging Cross-Sectional Technologies | 76 | Expired |
| US4951995A | Arm height adjustment mechanism for a chair | Emerging Cross-Sectional Technologies | 73 | Expired |
| US6394545B2 | Back for seating unit | Emerging Cross-Sectional Technologies | 69 | Expired |
| US6367877B1 | Back for seating unit | Emerging Cross-Sectional Technologies | 66 | Expired |
| US6749261B2 | Seating unit including novel back construction | Emerging Cross-Sectional Technologies | 66 | Expired |
| US6349992B1 | Seating unit including novel back construction | Emerging Cross-Sectional Technologies | 63 | Expired |
| USD360316S | Chair | General | 60 | Expired |
| US6460928B2 | Seating unit including novel back construction | Emerging Cross-Sectional Technologies | 46 | Expired |
| USD414349S | Chair | General | 44 | Expired |
| USD367980S | Chair seat | General | 44 | Expired |
| USD442791S | Chair | General | 39 | Expired |
| US6554364B1 | Articulating armrest | Human Necessities | 38 | Expired |
| US6905171B2 | Seating unit including novel back construction | Emerging Cross-Sectional Technologies | 38 | Expired |
| US7712834B2 | Back support for seating unit | Emerging Cross-Sectional Technologies | 38 | Active |
| US6662731B2 | Nestable table with slotted table top | Human Necessities | 33 | Expired |
| US7040709B2 | Back construction for seating unit having inverted U-shaped frame | Emerging Cross-Sectional Technologies | 28 | Expired |
| US5234187A | Chair height adjustment mechanism | Human Necessities | 26 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.