Evans Products, Inc.
36Patents
0Active
36Granted
37Portfolio score
Filing activity: Oct 16, 1974 → Jan 11, 1991
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4237083A | Process of manufacturing a microporous sheet material | Emerging Cross-Sectional Technologies | 62 | Expired |
| US4558826A | Hammer for automobile shredding mills | Performing Operations; Transporting | 55 | Expired |
| US4024323A | Battery separator | Emerging Cross-Sectional Technologies | 49 | Expired |
| US4281870A | Vehicle convertible double deck system | Performing Operations; Transporting | 29 | Expired |
| US5159139A | Drumhead with overtone suppression | Physics | 26 | Expired |
| US4342267A | Hopper discharge unit with sliding gate | Performing Operations; Transporting | 26 | Expired |
| US4455807A | Splice rail assembly | Mechanical Engineering; Lighting; Heating | 25 | Expired |
| US4132301A | Fluid actuatable fan clutch with internal caliper action | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| US3989579A | Apparatus for forming envelopes | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4065052A | Dual action control mechanism | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US4022134A | Automobile tie down assembly | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4549504A | Electronic controller for regulating temperature within an internal combustion engine system | Physics | 13 | Expired |
| US5107741A | Muffler for bass drums | Physics | 12 | Expired |
| US4345862A | Modular freight bracing bulkhead assembly | Performing Operations; Transporting | 12 | Expired |
| US4091745A | Cross bar end fitting | Performing Operations; Transporting | 12 | Expired |
| US4048755A | Full length door arrangement for railway house car | Performing Operations; Transporting | 10 | Expired |
| US4113927A | Battery separator having coated ribs | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4779508A | Drumhead construction | Physics | 9 | Expired |
| US4208970A | Movable lading bracing stanchions for freight cars | Performing Operations; Transporting | 9 | Expired |
| US3955760A | Thermostatic air valve | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4646980A | Cone discharge for diaphragm discharge rotary grinding mill | Performing Operations; Transporting | 8 | Expired |
| US4200208A | Pneumatic hopper gate | Performing Operations; Transporting | 7 | Expired |
| US3967047A | Electrode cooling apparatus | Electricity | 6 | Expired |
| US4020594A | Leverless door mechanism | Fixed Constructions | 6 | Expired |
| US4085685A | End fitting | Performing Operations; Transporting | 5 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.