Quarton, Inc.
66Patents
6Active
66Granted
39Portfolio score
Filing activity: Nov 21, 1991 → Jul 27, 2020 · 3 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5784823A | Laser sight assembly | Mechanical Engineering; Lighting; Heating | 70 | Expired |
| US5446635A | Laser assembly for marking a line on a workpiece for guiding a cutting tool | Emerging Cross-Sectional Technologies | 65 | Expired |
| USD532138S1 | Flashlight | General | 59 | Expired |
| US6163969A | 3D laser leveler | Physics | 56 | Expired |
| USD357117S | Portable gun case | General | 56 | Expired |
| US6874269B2 | Connecting device for weapon accessory | Mechanical Engineering; Lighting; Heating | 54 | Expired |
| US7523583B2 | Gun system and accessory thereof | Mechanical Engineering; Lighting; Heating | 45 | Active |
| US5495675A | Laser sight for use in archery | Emerging Cross-Sectional Technologies | 45 | Expired |
| USD496115S1 | Electric torch | General | 45 | Expired |
| US6351483B1 | Laser optical axis correcting method | Physics | 43 | Expired |
| US5448834A | Telescope sight collimating device | Emerging Cross-Sectional Technologies | 42 | Expired |
| US6513251B2 | Illuminable laser sight | Emerging Cross-Sectional Technologies | 40 | Expired |
| US6195902A | Laser extender | Emerging Cross-Sectional Technologies | 37 | Expired |
| US6438888B1 | Fixture for quickly clipping accessory on pistol | Mechanical Engineering; Lighting; Heating | 36 | Expired |
| US5584569A | Semiconductor laser module | Emerging Cross-Sectional Technologies | 34 | Expired |
| USD489469S1 | Electric torch | General | 31 | Expired |
| US6310682A | System and method for laser range finder | Physics | 28 | Expired |
| US5803582A | Laser pointer | Physics | 27 | Expired |
| US6931739B2 | Multidirectional laser indicator | Emerging Cross-Sectional Technologies | 27 | Expired |
| USD531334S1 | Combination of laser pointer and wireless transmitter | General | 23 | Expired |
| USD537181S1 | Combination of laser pointer and wireless transceiver | General | 22 | Expired |
| US5193099A | Diode laser collimatting device | Physics | 20 | Expired |
| USD523576S1 | Combination of camera and flashlight | General | 19 | Expired |
| US5697700A | Handy laser pointer | Physics | 19 | Expired |
| USD498552S1 | Electric torch | General | 18 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.