Gerd Lohn
26Patents
13h-index
13Co-inventors
78Inventor score
Filing activity: Feb 23, 1976 → Aug 19, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6616450B2 | Medical and/or dental instrument with oscillatory rod | Human Necessities | 363 | Expired |
| US4902225A | Dental spray handpiece | Human Necessities | 151 | Expired |
| US4227878A | Dental handpiece | Human Necessities | 148 | Expired |
| US4886452A | Dental spray handpiece | Electricity | 142 | Expired |
| US5082443A | Dental spray handpiece | Human Necessities | 140 | Expired |
| US4382786A | Dental handpieces with supplied operating media | Human Necessities | 139 | Expired |
| US5961327A | Dental treatment device | Human Necessities | 70 | Expired |
| US4504227A | Dental handpiece set | Mechanical Engineering; Lighting; Heating | 25 | Expired |
| US4515564A | Dental handpiece | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US4403958A | Dental compressed-air motor | Human Necessities | 17 | Expired |
| US4177024A | Vane air motor with eccentric adjustment ring and bearing ring for vane ends | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US7284981B2 | Functional handpiece having a light emission element at its forward end | Human Necessities | 14 | Expired |
| US4184256A | Miniature motor having an internal coolant line | Human Necessities | 13 | Expired |
| US4642051A | Dental handpiece | Human Necessities | 11 | Expired |
| US6602073B2 | Medical and/or dental instrument with a pneumatic oscillatory-drive | Human Necessities | 10 | Expired |
| US4120623A | Pneumatic vane-type motor with bearing ring for vane tips | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US4382790A | Dental handpiece | Human Necessities | 9 | Expired |
| US6065966A | Medical or dental treatment instrument for the treatment of body tissue or a substitute material, in particular by cutting, and tool for such a treatment instrument | Human Necessities | 8 | Expired |
| US6176703A | Medical or dental treatment instrument for chip-removing treatment of body tissue or a substitute material with an abrasive tool | Human Necessities | 7 | Expired |
| US7267547B2 | Device for regulated heating of media in a dental handpiece | Human Necessities | 7 | Expired |
| US4886455A | Dental spray handpiece | Human Necessities | 7 | Expired |
| US4033039A | Dental handpiece | Human Necessities | 6 | Expired |
| US4225308A | Pneumatic laminar motor for dental use | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US4968249A | Dental spray handpiece | Human Necessities | 4 | Expired |
| US4944675A | Dental spray handpiece | Human Necessities | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.