Michael Hormann
59Patents
16h-index
18Co-inventors
81Inventor score
Filing activity: Aug 23, 1977 → May 4, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4726247A | Gear for converting a rotational into a translational motion | Emerging Cross-Sectional Technologies | 264 | Expired |
| US4819495A | Gear for converting a rotary into a translational motion | Emerging Cross-Sectional Technologies | 250 | Expired |
| US4893666A | Articulated overhead gate | Fixed Constructions | 55 | Expired |
| US4625291A | Process for monitoring a driven, movable door or the like | Electricity | 53 | Expired |
| US6020829A | Multiple remote control system | Physics | 38 | Expired |
| US4888531A | Variable drive mechanism for the panel of a gate or similar structure | Fixed Constructions | 37 | Expired |
| US4564098A | Drive assembly for door operator | Mechanical Engineering; Lighting; Heating | 35 | Expired |
| US6089051A | Warp-knit fabric of noble metal-containing wires, and method for the production thereof | Emerging Cross-Sectional Technologies | 34 | Expired |
| US4218681A | Hand-held transmitter for transmitting different signals | Physics | 32 | Expired |
| US4844746A | Method of producing a tantalum stock material of high ductility | Chemistry; Metallurgy | 30 | Expired |
| US4120072A | Combined supporting roller-friction drive arrangement for overhead single-panel doors | Fixed Constructions | 28 | Expired |
| US4878529A | Sectional overhead door for low lintel heights | Fixed Constructions | 27 | Expired |
| US6640494B2 | Drive for closing devices with variable speed output | Physics | 26 | Expired |
| US5241873A | Transmission that converts a rotary into a translational motion | Emerging Cross-Sectional Technologies | 22 | Expired |
| USD404746S | Drive for moving a gate of a garage | General | 21 | Expired |
| US5351441A | Sliding door | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4718472A | Sectional strip for roll-up, fold-up, and similar gates | Fixed Constructions | 16 | Expired |
| US4480863A | Door with locking device | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5950364A | Monitoring the motion of a drive-operable, one or multiple part door body | Fixed Constructions | 13 | Expired |
| US5253451A | Driving apparatus | Fixed Constructions | 12 | Expired |
| US5874819A | Control for the drive of an object movable to and fro between two end positions | Physics | 11 | Expired |
| US6859004B2 | Drive for closing devices with variable speed output | Physics | 10 | Expired |
| US5203110A | Safety device for the closing edge of a door leaf | Fixed Constructions | 10 | Expired |
| US6779306B2 | Cable drive garage door opener | Fixed Constructions | 8 | Expired |
| US4794972A | Door leaf member | Fixed Constructions | 8 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.