Transguard Industries
22Patents
0Active
22Granted
27Portfolio score
Filing activity: Apr 25, 1985 → Jan 29, 2003
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6265973A | Electronic security seal | Emerging Cross-Sectional Technologies | 165 | Expired |
| US4802700A | Locking seal | Emerging Cross-Sectional Technologies | 58 | Expired |
| US6009731A | Locking device for door keeper bar | Emerging Cross-Sectional Technologies | 39 | Expired |
| US5878604A | Protection device for bolt seal and hasp | Emerging Cross-Sectional Technologies | 38 | Expired |
| US6010166A | Bolt seal protector hasp | Emerging Cross-Sectional Technologies | 26 | Expired |
| US6519982B1 | Bolt seal protector | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4640538A | Security seal | Emerging Cross-Sectional Technologies | 22 | Expired |
| US6407666B1 | Electrical connector for a cylindrical member | Emerging Cross-Sectional Technologies | 21 | Expired |
| US4690443A | Locking device with split collar | Emerging Cross-Sectional Technologies | 20 | Expired |
| US5749610A | Bolt seal assembly and tool therefor | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4681356A | Conical cable lock | Emerging Cross-Sectional Technologies | 18 | Expired |
| US6036240A | Bolt seal lock device | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4681355A | Security seal for use with stranded cable | Emerging Cross-Sectional Technologies | 12 | Expired |
| USD455945S1 | Bolt with truncated head | General | 12 | Expired |
| USD455636S1 | Bolt with stepped head | General | 12 | Expired |
| USD462600S1 | Bolt with round head | General | 11 | Expired |
| US6540273B2 | Security seal and lock with enhanced bore sleeve | Emerging Cross-Sectional Technologies | 9 | Expired |
| USD455330S1 | Bolt with facetted head | General | 7 | Expired |
| USD454773S1 | Bolt with oval head | General | 6 | Expired |
| US4728132A | Bolt lock | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6948746B2 | Security seal and lock with enhanced bore sleeve | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6698806B2 | Plug door handle bolt seal locking device | Emerging Cross-Sectional Technologies | 2 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.