Martin Heldmann
11Patents
5h-index
15Co-inventors
59Inventor score
Filing activity: Jun 25, 2003 → Oct 23, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7284759B2 | Mounting guard ring | Emerging Cross-Sectional Technologies | 15 | Expired |
| US7651102B2 | Mounting guard ring | Emerging Cross-Sectional Technologies | 12 | Active |
| US8292302B2 | Mounting guard ring | Emerging Cross-Sectional Technologies | 7 | Active |
| US8474828B2 | Mounting guard ring | Emerging Cross-Sectional Technologies | 6 | Active |
| US7017913B2 | Axial shaft seal | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US8910948B2 | Mounting guard ring | Emerging Cross-Sectional Technologies | 5 | Active |
| US10029356B2 | Mounting device for a sealing ring | Emerging Cross-Sectional Technologies | 3 | Active |
| US11560949B2 | Sealing element | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US11131387B2 | Sealing ring and seal arrangement comprising such a sealing ring | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US11448116B2 | Multiport valve, fluid circuit and cooling fluid circuit | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US11073210B2 | Sealing element | Mechanical Engineering; Lighting; Heating | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.