Peter J. Ziegenfuss
29Patents
14h-index
9Co-inventors
74Inventor score
Filing activity: Nov 19, 1998 → Jun 12, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7674003B2 | Flashlight having plural switches and a controller | Electricity | 68 | Active |
| US6612714B1 | Belt clip and mounting receptable, as for a flashlight | Mechanical Engineering; Lighting; Heating | 60 | Expired |
| US7652216B2 | Electrical switch, as for controlling a flashlight | Electricity | 56 | Active |
| US7880100B2 | Electrical switch, as for controlling a flashlight | Electricity | 37 | Active |
| US8258416B2 | Electrical switch and flashlight | Electricity | 34 | Active |
| US6099147A | Flashlight lamp shock absorber | Mechanical Engineering; Lighting; Heating | 33 | Expired |
| US8360598B2 | Flashlight having a switch for programming a controller | Electricity | 32 | Active |
| US8110760B2 | Electrical switch having plural switching elements, as for controlling a flashlight | Electricity | 31 | Active |
| US7220013B2 | Rechargeable flashlight and battery assembly for single-handed intermittent and continuous operation | Electricity | 25 | Expired |
| US8662701B2 | Flashlight having a controller providing programmable operating states | Electricity | 20 | Active |
| USD750823S1 | Mountable light | General | 18 | Active |
| US8511847B2 | Portable light having a rotatable cylindrical head | Mechanical Engineering; Lighting; Heating | 18 | Active |
| USD427347S | Flashlight | General | 17 | Expired |
| USD940937S1 | Hand holdable light | General | 14 | Active |
| US9057490B2 | Portable light having a movable head and a USB charging port | Mechanical Engineering; Lighting; Heating | 12 | Active |
| US7891833B2 | Rechargeable flashlight and battery assembly for single-handed intermittent and continuous operation | Electricity | 11 | Active |
| USD940936S1 | Hand holdable light | General | 11 | Active |
| US9605836B2 | Portable light having a housing including a lock | Mechanical Engineering; Lighting; Heating | 11 | Active |
| US9285105B2 | Head light having a rotatable face cap with plural lenses | Mechanical Engineering; Lighting; Heating | 7 | Active |
| US10326292B2 | Battery charger operating method and method usable with plural different power supplies | Emerging Cross-Sectional Technologies | 5 | Active |
| US9960622B2 | Battery charger usable with plural different power supplies | Emerging Cross-Sectional Technologies | 4 | Active |
| US9960621B2 | USB connector usable with a battery charger and otherwise | Emerging Cross-Sectional Technologies | 4 | Active |
| US11054124B2 | Hand holdable light having an ergonomic grip and a battery assembly therefor | Emerging Cross-Sectional Technologies | 4 | Active |
| US9200792B2 | Portable light having a heat dissipater with an integral cooling device | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US11674676B2 | Battery assembly for a hand holdable light | Emerging Cross-Sectional Technologies | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.