Abex Corporation
119Patents
0Active
119Granted
41Portfolio score
Filing activity: May 6, 1974 → Mar 19, 1993
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4481728A | Dipper tooth tip and adapter | Emerging Cross-Sectional Technologies | 129 | Expired |
| US4420954A | Flush mountable door latch mechanism | Emerging Cross-Sectional Technologies | 58 | Expired |
| US5083643A | Noise abating brake shoe | Emerging Cross-Sectional Technologies | 41 | Expired |
| US4310125A | Hammer for hammer mill | Performing Operations; Transporting | 38 | Expired |
| US4120067A | Articulated closure for a passenger loading bridge | Performing Operations; Transporting | 34 | Expired |
| US4624428A | Spring rail frog | Performing Operations; Transporting | 28 | Expired |
| US4268077A | Self-storing door handle | Emerging Cross-Sectional Technologies | 28 | Expired |
| US4408159A | Proximity sensing head | Physics | 27 | Expired |
| US4161049A | Passenger loading bridge | Performing Operations; Transporting | 27 | Expired |
| US4244275A | Counterbalance valve | Emerging Cross-Sectional Technologies | 26 | Expired |
| US4824260A | Brake block temperature and wear measuring device | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US4102443A | Disc mounting ring | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| US4517756A | Snubber for dipper door | Fixed Constructions | 19 | Expired |
| US4501347A | Segmented disc brake pad | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| US4211150A | Air cylinder | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US3967541A | Control system for axial piston fluid energy translating device | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US4319376A | Passenger loading bridge | Performing Operations; Transporting | 18 | Expired |
| US4296707A | Railroad car hand brake signal device | Performing Operations; Transporting | 18 | Expired |
| US4428552A | Railroad switch machine | Performing Operations; Transporting | 18 | Expired |
| US4077801A | Iron-chromium-nickel heat resistant castings | Chemistry; Metallurgy | 17 | Expired |
| US4176391A | Shock isolating lamp assembly | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US4637578A | Railroad frog having movable wing rails | Fixed Constructions | 15 | Expired |
| US4212051A | Anti-rotational lamp assembly | Performing Operations; Transporting | 14 | Expired |
| US3998573A | Manufacture of friction elements | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4005839A | Railroad turnouts | Fixed Constructions | 14 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.