Hans Kramer
44Patents
14h-index
32Co-inventors
81Inventor score
Filing activity: Dec 10, 1975 → May 13, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6464920B1 | Injection moulding process and apparatus for making articles from two components | Performing Operations; Transporting | 76 | Expired |
| US4270316A | Process for evening out the amount of material removed from discs in polishing | Performing Operations; Transporting | 67 | Expired |
| US6442786B2 | Toothbrush comprising a resilient flex region | Performing Operations; Transporting | 67 | Expired |
| US6066282A | Process for making a toothbrush | Performing Operations; Transporting | 48 | Expired |
| US6668416B1 | Toothbrush | Human Necessities | 48 | Expired |
| US6327735A | Power tip toothbrush with ball joint | Human Necessities | 45 | Expired |
| US6185779A | Toothbrush comprising a flexibly linked region in the head | Performing Operations; Transporting | 45 | Expired |
| US4932715A | Exterior swing-out and sliding door for vehicles, especially motor vehicles | Fixed Constructions | 41 | Expired |
| US4945677A | Swinging and sliding door for a vehicle, especially a motor vehicle | Fixed Constructions | 40 | Expired |
| US6095898A | Process and device for polishing semiconductor wafers | Performing Operations; Transporting | 38 | Expired |
| US4569650A | Tablet press | Performing Operations; Transporting | 27 | Expired |
| US4023671A | Connection for the ends of supporting straps of an endless bar belt conveyor | Emerging Cross-Sectional Technologies | 23 | Expired |
| US5462427A | Rotary tablet press | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| USD394158S | Travel cap | General | 15 | Expired |
| US5926898A | Toothbrush | Emerging Cross-Sectional Technologies | 14 | Expired |
| USD433233S | Toothbrush | General | 14 | Expired |
| US6213633A | Mixing and dispensing device | Performing Operations; Transporting | 11 | Expired |
| US6866493B2 | Tablet press machine | Performing Operations; Transporting | 8 | Expired |
| US7153118B2 | Tablet press machine | Performing Operations; Transporting | 5 | Expired |
| US5161747A | Roll winding machine with improved pressing rollers | Performing Operations; Transporting | 5 | Expired |
| US6458712B2 | Method for regenerating semiconductor wafers | Performing Operations; Transporting | 5 | Expired |
| US7909890B2 | Shading compositions | Textiles; Paper | 4 | Active |
| US6997691B2 | Tablet press machine | Performing Operations; Transporting | 4 | Expired |
| USD487846S1 | Toothbrush | General | 4 | Expired |
| USD455271S1 | Toothbrush | General | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.