Mechanical Plastics Corp.
23Patents
2Active
23Granted
35Portfolio score
Filing activity: Mar 5, 1975 → Sep 21, 2010 · 2 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4704057A | Fastening element | Mechanical Engineering; Lighting; Heating | 91 | Expired |
| US4075924A | Anchor assembly for fastener | Emerging Cross-Sectional Technologies | 83 | Expired |
| US4443034A | Folding platform and shelves for use in vehicles | Performing Operations; Transporting | 56 | Expired |
| US4294156A | High strength anchor assembly for fastener | Emerging Cross-Sectional Technologies | 48 | Expired |
| US4650386A | Fully articulable positioning device | Mechanical Engineering; Lighting; Heating | 44 | Expired |
| US4181061A | Fastening element | Mechanical Engineering; Lighting; Heating | 44 | Expired |
| US6161999A | Toggle bolt device | Mechanical Engineering; Lighting; Heating | 35 | Expired |
| US6564925B1 | Gravity assisted cylinder aligning feeder and element separator | Performing Operations; Transporting | 21 | Expired |
| US4752170A | Fastening device with nesting anchoring elements | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| US4221154A | Fastening element with anti-jacking device | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US4878790A | Expansible fastening element | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US7320569B2 | Self-drilling hollow wall anchor | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US3995404A | Attachment for hollow walls and method of repairing same | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| USD650657S1 | Swivelable ceiling hook | General | 12 | Expired |
| US4673150A | Plastic fasteners | Emerging Cross-Sectional Technologies | 11 | Expired |
| US8974163B2 | Wedge-type drop-in anchor assembly | Mechanical Engineering; Lighting; Heating | 10 | Active |
| US5161296A | Method of securing an anchor with extrusion plastic molding in a solid wall substrate | Emerging Cross-Sectional Technologies | 9 | Expired |
| US7144212B2 | Self-drilling hollow wall anchor | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US5028186A | Hollow wall anchor with enhanced holding strength | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4174910A | Paper clip and binder device | Performing Operations; Transporting | 9 | Expired |
| US4077169A | Attachment for hollow walls and method of repairing same | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US4993901A | Over-center hollow wall anchor with enhanced holding strength | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US9039338B2 | Very high strength swivel anchor | Emerging Cross-Sectional Technologies | 2 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.