HPC, Inc.
6Patents
0Active
6Granted
26Portfolio score
Filing activity: Jul 5, 1977 → Jul 12, 2004
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4092081A | Roadway/traffic delineator | Fixed Constructions | 39 | Expired |
| US5276951A | Tubular lock puller | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5642648A | Car door latch release tool | Performing Operations; Transporting | 10 | Expired |
| US7070369B2 | Apparatus capable of positioning a key blank relative to cutting device in multiple operational modes | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5054350A | Key punch machine | Emerging Cross-Sectional Technologies | 2 | Expired |
| US5305531A | Stamp indexing tool | Performing Operations; Transporting | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.