Pelton & Crane
41Patents
0Active
41Granted
34Portfolio score
Filing activity: Mar 22, 1976 → Sep 2, 2005
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4366985A | Adjustable headrest for treatment chair | Human Necessities | 40 | Expired |
| US4254455A | Reflector for dental, medical or the like lighting device | Emerging Cross-Sectional Technologies | 40 | Expired |
| US4114274A | Movable power-operated instrument console and treatment chair apparatus | Human Necessities | 35 | Expired |
| US4114275A | Foot controller apparatus for air driven dental handpieces or the like | Human Necessities | 34 | Expired |
| US4865814A | Automatic sterilizer | Human Necessities | 31 | Expired |
| US4254454A | Self-ventilating dental lighting device | Emerging Cross-Sectional Technologies | 28 | Expired |
| USD287748S | Sink module | General | 27 | Expired |
| USD267680S | Chair | General | 26 | Expired |
| US5131717A | Reclining chair having a movable seat back and a movable seat bottom | Human Necessities | 25 | Expired |
| USD288122S | Combined control unit and holder for dental equipment | General | 24 | Expired |
| US5132084A | Apparatus and methods for dispensing water to a sterilizing chamber of an autoclave | Performing Operations; Transporting | 22 | Expired |
| US7425077B2 | LED-powered dental operatory light | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4930058A | Quick-release dental light handle | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4863218A | Articulated headrest mechanism | Human Necessities | 18 | Expired |
| USD266291S | Chair | General | 18 | Expired |
| US5348472A | Versatile dental delivery system | Human Necessities | 16 | Expired |
| US4138815A | Console unit particularly for use by a dental assistant | Human Necessities | 16 | Expired |
| US4114273A | Handpiece instrument console apparatus having improved mechanisms for extending and retracting operating flexible hose | Human Necessities | 15 | Expired |
| USD247308S | Autoclave | General | 15 | Expired |
| USD287624S | Operatory support center | General | 15 | Expired |
| USD267987S | Treatment chair | General | 15 | Expired |
| US4848838A | Curved articulating headrest support bar | Human Necessities | 14 | Expired |
| USD264508S | Dental light | General | 13 | Expired |
| USD246255S | Dental console | General | 12 | Expired |
| US4781898A | Autoclave vent | Human Necessities | 12 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.