The Eastern Company
352Patents
86Active
352Granted
48Portfolio score
Filing activity: Mar 6, 1975 → Feb 9, 2024 · 27 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4706478A | Rotary handle operated door lock | Emerging Cross-Sectional Technologies | 173 | Expired |
| US6129275A | Smart card transaction system and encoder-dispenser | Physics | 98 | Expired |
| US5595076A | Handle operable two-point latch and lock | Emerging Cross-Sectional Technologies | 96 | Expired |
| US4892338A | Plural point door lock and flush-mountable operating mechanism with detent | Emerging Cross-Sectional Technologies | 91 | Expired |
| US4462486A | Folding foot step | Performing Operations; Transporting | 91 | Expired |
| US5611224A | Handle operable rotary latch and lock | Emerging Cross-Sectional Technologies | 86 | Expired |
| USD303618S | Combined housings and handles for latches and locks | General | 84 | Expired |
| US6877345B1 | Combination and key operated padlock with indicator | Emerging Cross-Sectional Technologies | 80 | Expired |
| US5439260A | Handle operable rotary latch and lock | Emerging Cross-Sectional Technologies | 73 | Expired |
| US5586458A | Handle operable rotary latch and lock | Emerging Cross-Sectional Technologies | 70 | Expired |
| US5884948A | Rotary latch and lock | Emerging Cross-Sectional Technologies | 68 | Expired |
| US4134281A | Cam-type door lock with recessed handle | Emerging Cross-Sectional Technologies | 65 | Expired |
| US4320642A | Paddle locks with handle disconnect features | Emerging Cross-Sectional Technologies | 65 | Expired |
| US6427500B1 | Latch, lock and hinge system for use with closures such as tonneau covers | Emerging Cross-Sectional Technologies | 65 | Expired |
| US6490895B1 | Versatile paddle handle operating mechanism for latches and locks | Emerging Cross-Sectional Technologies | 63 | Expired |
| US4031434A | Keyhole-less electronic lock | Emerging Cross-Sectional Technologies | 62 | Expired |
| US4838054A | Latch and lock assemblies with lift and turn handles | Emerging Cross-Sectional Technologies | 61 | Expired |
| US4231597A | Flush-type door lock | Emerging Cross-Sectional Technologies | 59 | Expired |
| US4683736A | Cabinet lock with recessed handle | Emerging Cross-Sectional Technologies | 58 | Expired |
| USD314131S | Housings for latches and locks | General | 57 | Expired |
| US4138869A | Self-locking key-controlled door lock | Emerging Cross-Sectional Technologies | 57 | Expired |
| USD717152S1 | T-handle of a latch assembly | General | 57 | Active |
| US6651467B1 | T-handle operable rotary latch and lock | Emerging Cross-Sectional Technologies | 56 | Expired |
| US5069491A | Vehicle door lock system | Emerging Cross-Sectional Technologies | 56 | Expired |
| US6471002B1 | Folding foot step with anti-skid surface | Performing Operations; Transporting | 56 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.