Corbin Russwin, Inc.
34Patents
1Active
34Granted
30Portfolio score
Filing activity: Oct 16, 1992 → Apr 20, 2012
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6393878B1 | Mortise lock | Emerging Cross-Sectional Technologies | 48 | Expired |
| US6349982B2 | Reversible mortise lock | Emerging Cross-Sectional Technologies | 36 | Expired |
| US5335948A | Cylindrical lockset | Emerging Cross-Sectional Technologies | 29 | Expired |
| US5386614A | Door closer | Fixed Constructions | 18 | Expired |
| US5414894A | Door closer | Fixed Constructions | 15 | Expired |
| USD362796S | Portion of a key blade blank | General | 10 | Expired |
| USD350061S | Portion of a key blade blank | General | 9 | Expired |
| USD350059S | Portion of a key blade blank | General | 9 | Expired |
| USD357622S | Key bow | General | 9 | Expired |
| USD352446S | Portion of a key blade blank | General | 8 | Expired |
| US6616203B1 | Door latch operator mount | Emerging Cross-Sectional Technologies | 7 | Expired |
| USD352227S | Portion of a key blade blank | General | 7 | Expired |
| USD568717S1 | Keypad escutcheon | General | 6 | Expired |
| USD350062S | Portion of key blade blank | General | 4 | Expired |
| USD352447S | Portion of a key blade blank | General | 2 | Expired |
| USD349842S | Portion of a key blade blank | General | 2 | Expired |
| USD352226S | Portion of a key blade blank | General | 2 | Expired |
| USD352448S | Portion of a key blade blank | General | 2 | Expired |
| US8635022B2 | Cylinder lock | Emerging Cross-Sectional Technologies | 2 | Active |
| USD349843S | Portion of a key blade blank | General | 2 | Expired |
| USD350057S | Portion of a key blade blank | General | 2 | Expired |
| USD350276S | Portion of a key blade blank | General | 2 | Expired |
| USD351332S | Portion of a key blade blank | General | 1 | Expired |
| USD350058S | Portion of a key blade blank | General | 1 | Expired |
| USD351784S | Portion of a key blade blank | General | 1 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.