Robert H. Graebe
33Patents
29h-index
3Co-inventors
78Inventor score
Filing activity: Feb 28, 1975 → May 18, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4698864A | Cellular cushion | Emerging Cross-Sectional Technologies | 175 | Expired |
| US5163196A | Zoned cellular cushion with flexible flaps containing inflating manifold | Emerging Cross-Sectional Technologies | 169 | Expired |
| US5052068A | Contoured seat cushion | Emerging Cross-Sectional Technologies | 159 | Expired |
| US4541136A | Multicell cushion | Human Necessities | 158 | Expired |
| US4713854A | Constant force cushion | Emerging Cross-Sectional Technologies | 155 | Expired |
| US5561875A | Vacuum/heat formed cushion supported on a fluid permeable manifold | Human Necessities | 152 | Expired |
| US5596781A | Vacuum/heat formed cushion with pyramidal, inflatable cells | Human Necessities | 152 | Expired |
| US5461741A | Modular cushion construction with foamed base | Emerging Cross-Sectional Technologies | 145 | Expired |
| US5111544A | Cover with elastic top and frictional bottom for a cushion | Emerging Cross-Sectional Technologies | 132 | Expired |
| US5369828A | Inflatable cushion with upstanding pyramidal air cells | Emerging Cross-Sectional Technologies | 117 | Expired |
| US5640728A | Ventilated access interface and cushion support system | Human Necessities | 114 | Expired |
| US4730610A | Foot and elbow cushion device | Emerging Cross-Sectional Technologies | 104 | Expired |
| US4005236A | Expandable multicelled cushioning structure | Emerging Cross-Sectional Technologies | 96 | Expired |
| US4953913A | Contoured seat base | Emerging Cross-Sectional Technologies | 87 | Expired |
| US5502855A | Zoned cellular cushion | Emerging Cross-Sectional Technologies | 78 | Expired |
| US6018832A | Wraparound orthotic base composite adjustable cushion using same and method of measuring fit of the adjusted cushion to the user's shape | Emerging Cross-Sectional Technologies | 67 | Expired |
| US5551107A | Modular cushion construction with detachable pommel, having a cover with front and rear openings | Emerging Cross-Sectional Technologies | 65 | Expired |
| USD342411S | Seat cushion | General | 57 | Expired |
| US5317773A | Waterblown foam base | Human Necessities | 56 | Expired |
| US6487738B1 | Constant restoring force support surface | Human Necessities | 50 | Expired |
| US5613257A | Modular cushion construction with detachable pommel | Emerging Cross-Sectional Technologies | 50 | Expired |
| USD355558S | Wheelchair cellular cushion | General | 47 | Expired |
| USD389702S | Cellular seat cushion | General | 46 | Expired |
| USD391110S | Cellular seat cushion | General | 45 | Expired |
| USD394366S | Seat cushion | General | 45 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.