Norris Industries, Inc.
🏢 View company profile →52Patents
0Active
52Granted
37Portfolio score
Filing activity: Oct 23, 1965 → Nov 4, 1992
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4109496A | Trapped key mechanism | Emerging Cross-Sectional Technologies | 106 | Expired |
| US4501260A | Cooktop ventilation system | Mechanical Engineering; Lighting; Heating | 51 | Expired |
| US4333324A | Spring/dead bolt lock assembly | Emerging Cross-Sectional Technologies | 41 | Expired |
| US4183565A | Latch bolt locking mechanism for fire door locksets | Emerging Cross-Sectional Technologies | 38 | Expired |
| US4108482A | Disengaging spindle locking mechanism | Emerging Cross-Sectional Technologies | 27 | Expired |
| US4255953A | Combination spring/dead bolt lock | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4368869A | Leveler for dishwasher and the like | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US4369642A | Detained key assembly | Emerging Cross-Sectional Technologies | 20 | Expired |
| US4305903A | Composite fiber reinforced member and method | Performing Operations; Transporting | 20 | Expired |
| USD246091S | Knob for doors, drawers or the like | General | 17 | Expired |
| US4254648A | Inner locking cylinder with captive key | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4109494A | Simultaneous retract mechanism | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4135633A | Electrical junction and outlet box | Electricity | 14 | Expired |
| US4109948A | Plastic latch bolt for door lock | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4169618A | Plastic door lock | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4229047A | Wheel trim retention system | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4167648A | Electric junction box | Emerging Cross-Sectional Technologies | 12 | Expired |
| US3998080A | Frangible construction lock system | Emerging Cross-Sectional Technologies | 11 | Expired |
| USD243662S | Backing plate for door and drawer pulls and the like | General | 10 | Expired |
| US4123097A | Sectional entrance handle retract mechanism | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4024806A | Trash compactor | Emerging Cross-Sectional Technologies | 9 | Expired |
| US3973801A | Wheel trim retention means | Performing Operations; Transporting | 9 | Expired |
| USD246890S | Knob face plate for a door knob | General | 9 | Expired |
| US4009911A | Wheel trim and method | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4166653A | Simulated wire wheel trim | Emerging Cross-Sectional Technologies | 8 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.