Hermann Herrlich
12Patents
5h-index
21Co-inventors
66Inventor score
Filing activity: Apr 8, 1988 → Jul 13, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7551197B2 | Pipeline inspection system | Mechanical Engineering; Lighting; Heating | 22 | Active |
| US4879831A | Lighting fish lure | Human Necessities | 13 | Expired |
| USD748053S1 | Rotating electrical machinery modular air gap crawler | General | 8 | Active |
| USD756922S1 | Rotating electrical machinery modular air gap crawler | General | 7 | Active |
| US7940297B2 | Pipeline inspection system | Mechanical Engineering; Lighting; Heating | 5 | Active |
| US9714852B2 | Gas flow test apparatus and method | Physics | 5 | Active |
| US10811856B2 | System for servicing cable | Electricity | 5 | Active |
| US11391407B2 | Methods, systems, and apparatus for use in main pipes connected to branch conduit | Emerging Cross-Sectional Technologies | 2 | Active |
| US9599571B2 | Pipeline inspection system | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US8723943B2 | Pipeline inspection system | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11724318B2 | Bit for removing a plug from a branch conduit | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11828400B2 | Methods, systems, and apparatus for use in main pipes connected to branch conduit | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.