General Scientific Corp.
48Patents
24Active
48Granted
44Portfolio score
Filing activity: Sep 4, 1973 → Feb 11, 2022 · 9 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8120847B2 | Through-the-lens loupe assembly with interpupillary distance adjustment | Physics | 48 | Active |
| US5440462A | Head-mounted lighting assembly | Mechanical Engineering; Lighting; Heating | 46 | Expired |
| USD617825S1 | Pair of through-the-lens medical/dental loupes | General | 42 | Expired |
| USD592693S1 | Through-the-lens medical/dental loupes | General | 41 | Expired |
| USD746354S1 | Through-the-lens loupes with improved declination angle | General | 41 | Active |
| US8068169B2 | Clip-on video camera system for medical, surgical and dental applications | Human Necessities | 39 | Active |
| US7465078B2 | Heat-dissipating head-mounted LED lamp | Mechanical Engineering; Lighting; Heating | 39 | Active |
| US5446507A | Spectacle frame for telemicroscopes and the like | Physics | 37 | Expired |
| US5381263A | Five-degree-of-freedom ocular mounting assembly | Physics | 37 | Expired |
| USD592692S1 | Through-the-lens medical/dental loupes | General | 37 | Expired |
| US8662709B2 | LED illuminator with improved beam quality | Mechanical Engineering; Lighting; Heating | 37 | Active |
| USD592691S1 | Through-the-lens medical/dental loupes | General | 35 | Expired |
| US9465235B2 | Through-the-lens (TTL) loupes with improved declination angle | Physics | 32 | Active |
| US6493136B2 | Clip-on optical mounting structure | Physics | 29 | Expired |
| USD602185S1 | Clip-on head-mounted LED light for medical and dental professionals | General | 26 | Expired |
| US10066816B2 | Medical/dental headlamp with adjustable proximity on/off sensor | Emerging Cross-Sectional Technologies | 26 | Active |
| US4123201A | Modular vacuum pump assembly | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US6333814A | Stable ocular mounting assembly | Physics | 21 | Expired |
| US6704141B1 | Ocular mounting assembly | Physics | 20 | Expired |
| US8047684B2 | LED illuminator with improved beam quality | Physics | 18 | Active |
| US9494299B2 | High-efficiency LED illuminator with improved beam quality and ventilated housing | Mechanical Engineering; Lighting; Heating | 16 | Active |
| USD636011S1 | Spectacle frames | General | 14 | Expired |
| USD682450S1 | Head-mountable LED illuminator | General | 12 | Active |
| US6039461A | Compact high-intensity lighting assembly | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US9052455B2 | Head-worn illuminators and magnifiers with optical rejection coatings to assist medical and dental professionals | Mechanical Engineering; Lighting; Heating | 11 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.