Mitchell H. Hetrich
11Patents
4h-index
17Co-inventors
57Inventor score
Filing activity: Jul 8, 1994 → Apr 4, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9199103B2 | Fall protection arrangement | Human Necessities | 44 | Active |
| US5758745A | Extension ladder, combination end cap/guide bracket, and method for climbing | Fixed Constructions | 21 | Expired |
| US5791439A | Ladder, member for connecting a rail to a horizontal element of a ladder, and method, and apparatus and method for holding a washer | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US5636706A | Ladder, member for connecting a rail to a horizontal element of a ladder, and method | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US10413761B2 | Line retraction device having a damper assembly | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US11191325B2 | Harness connection arrangement | Human Necessities | 3 | Active |
| US6142255A | Ladder, member for connecting a rail to a horizontal element of a ladder, and method | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US10207128B2 | Fall protection device and adjustment mechanism therefor | Human Necessities | 2 | Active |
| US10625105B2 | Harness connector | Human Necessities | 2 | Active |
| US11633634B2 | Cut-resistant leading edge fall arrest system and method | Human Necessities | 2 | Active |
| US10328294B2 | Load indicator for a fall protection apparatus | Human Necessities | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.