Robert Hartmann
15Patents
5h-index
27Co-inventors
66Inventor score
Filing activity: Apr 20, 1976 → Apr 15, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5265630A | Environmentally-friendly battery cleaning system | Performing Operations; Transporting | 107 | Expired |
| US4037126A | Tieless bracing for supporting end turns of a dynamoelectric machine | Emerging Cross-Sectional Technologies | 12 | Expired |
| US7435924B2 | Drive device for welding tongs | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US7439845B2 | Temperature sensor for a resistance thermometer, in particular for use in the exhaust gas system of combustion engines | Emerging Cross-Sectional Technologies | 6 | Active |
| USD523044S1 | Welding tongs | General | 6 | Expired |
| US7780348B2 | Temperature sensor for a resistance thermometer, in particular for use in the exhaust gas system of combustion engines | Physics | 5 | Active |
| US5479810A | Method for producing form wound stator coils | Electricity | 3 | Expired |
| US5442953A | Dynamic commutator profile system | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5548989A | AC coil former | Electricity | 2 | Expired |
| US4070750A | Tieless bracing and method for supporting end turns of a dynamoelectric machine | Emerging Cross-Sectional Technologies | 2 | Expired |
| US11422017B2 | Method and system for determining a mass flow rate by averaging a pump parameter | Human Necessities | 0 | Active |
| US9887655B2 | Excitation current-limited power generator | Electricity | 0 | Active |
| US9647589B2 | Alternator with current measurement | Emerging Cross-Sectional Technologies | 0 | Active |
| US5394720A | Apparatus for producing form wound stator coils | Electricity | 0 | Expired |
| US11306446B2 | Hand-held work tool with decoupled drawbar carrier | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.