Lightning Systems, Inc.
17Patents
1Active
17Granted
32Portfolio score
Filing activity: Aug 4, 1975 → Sep 3, 2019
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4605993A | Recharging spot/flood lantern | Mechanical Engineering; Lighting; Heating | 65 | Expired |
| US4512098A | Sign frame and method for factory installing flexible sign facing material thereon | Physics | 20 | Expired |
| US4181928A | Portable spot/flood light | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| USD244876S | Combined portable fluorescent and incandescent light | General | 16 | Expired |
| USD256061S | Combined portable spot/flood light | General | 12 | Expired |
| USD251267S | Combined portable spot and flood light | General | 12 | Expired |
| USD247457S | Portable light | General | 12 | Expired |
| US4233655A | Spotlight | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US4023067A | Inverter ballast circuit | Emerging Cross-Sectional Technologies | 9 | Expired |
| USD251631S | Combined portable spot and flood light | General | 7 | Expired |
| US4218637A | Flasher circuit | Electricity | 7 | Expired |
| USD251268S | Combined portable spot and flood light | General | 6 | Expired |
| USD256845S | Portable spotlight | General | 6 | Expired |
| USD251269S | Combined portable spot and flood light | General | 6 | Expired |
| USD247690S | Combined portable fluorescent light and power pack therefor | General | 3 | Expired |
| US4383145A | Matrix switch | Electricity | 2 | Expired |
| US11485407B2 | Smart electronic power steering system and method for a retrofitted electric vehicle | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.