Alan Pritchard
19Patents
8h-index
7Co-inventors
65Inventor score
Filing activity: Sep 4, 1986 → Nov 9, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5061135A | Thread tapping screw | Mechanical Engineering; Lighting; Heating | 26 | Expired |
| US6494656B1 | Self-tapping screw, blank and method for joining thin workpieces and production method for the same | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| US4769527A | Thermal image generating device | Physics | 17 | Expired |
| US5722808A | Threaded fastener system | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US6089806A | Blank for self-tapping fastener | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US6494655B1 | Self-tapping screw and method for joining thin workpieces | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US6261040A | Self-tapping fastener | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US6712708B2 | Self-tapping screw, blank and method for joining thin workpieces and production method for the same | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US7722304B2 | Thread locking/prevailing torque fastener and fastener assembly | Mechanical Engineering; Lighting; Heating | 8 | Active |
| US9404524B2 | High performance thread rolling screw/bolt for use in an unthreaded nut anchor | Mechanical Engineering; Lighting; Heating | 5 | Active |
| US4946804A | Aperture forming method | Emerging Cross-Sectional Technologies | 5 | Expired |
| US9835193B2 | Fastener system comprising an externally threaded bolt and an internally threaded nut for the avoidance of cross-threading of the mating threads during assembly | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US9957993B2 | Recessed head fastener and driver combination | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US10690170B2 | Fastener system comprising an externally threaded bolt and an internally threaded nut for the avoidance of cross-threading of the mating threads during assembly | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US6089986A | Die for forming self-tapping fastener blank | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US9752977B2 | Corrosion sensor | Electricity | 1 | Active |
| US5619060A | Thermal picture synthesizer device for generating a thermal image | Physics | 1 | Expired |
| US4924854A | Detection devices | Human Necessities | 1 | Expired |
| US8684646B2 | Thread forming fastener | Mechanical Engineering; Lighting; Heating | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.