FATIGUE TECHNOLOGY, INC.
56Patents
27Active
56Granted
46Portfolio score
Filing activity: Jun 15, 1981 → Nov 7, 2018 · 17 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4557033A | Method of cold expanding and sizing fastener holes | Emerging Cross-Sectional Technologies | 74 | Expired |
| US5096349A | Nut mounting grommet | Emerging Cross-Sectional Technologies | 66 | Expired |
| US5405228A | Nut cage and mount | Mechanical Engineering; Lighting; Heating | 65 | Expired |
| US5380136A | Anchor nut mount | Mechanical Engineering; Lighting; Heating | 64 | Expired |
| US5245743A | Method of installing a nut mounting grommet | Emerging Cross-Sectional Technologies | 55 | Expired |
| US4934170A | Fatigue life enhancement of noncircular openings | Performing Operations; Transporting | 52 | Expired |
| US4423619A | Apparatus and method for prestressing a countersunk fastener hole | Emerging Cross-Sectional Technologies | 46 | Expired |
| US5433100A | Apparatus for split sleeve and tubular bushing cold expansion | Emerging Cross-Sectional Technologies | 46 | Expired |
| US4471643A | Method and apparatus for prestressing fastener holes | Emerging Cross-Sectional Technologies | 45 | Expired |
| US4425780A | Apparatus having extended prestressing and sleeve retaining devices for prestressing countersunk fastener holes and method | Emerging Cross-Sectional Technologies | 44 | Expired |
| US5103548A | Method and apparatus for securing a tubular bushing in a circular opening | Emerging Cross-Sectional Technologies | 44 | Expired |
| US6183180A | Wall nut and bolt assemblies | Mechanical Engineering; Lighting; Heating | 43 | Expired |
| US5468104A | Wall nut assembly | Mechanical Engineering; Lighting; Heating | 43 | Expired |
| US5341559A | Method and apparatus for securing a tubular bushing in a circular opening | Emerging Cross-Sectional Technologies | 42 | Expired |
| US5083363A | Method of installing a grommet in a wall of composite material | Emerging Cross-Sectional Technologies | 42 | Expired |
| US5127254A | Method and apparatus for split sleeve cold expansion of openings in structural members | Performing Operations; Transporting | 40 | Expired |
| US7100264B2 | Method of installing double flanged bushings | Emerging Cross-Sectional Technologies | 39 | Expired |
| US4885829A | Fatigue life enhancement of dovetail connector slots and noncircular openings | Emerging Cross-Sectional Technologies | 39 | Expired |
| US7406777B2 | Method and apparatus employing eccentric bushing | Emerging Cross-Sectional Technologies | 36 | Expired |
| US5305627A | Split sleeve cold expansion | Chemistry; Metallurgy | 36 | Expired |
| US4809420A | Method and apparatus for backing up mandrel exit holes in knuckle structures | Emerging Cross-Sectional Technologies | 31 | Expired |
| US8312606B2 | Expandable fastener assembly with deformed collar | Emerging Cross-Sectional Technologies | 30 | Active |
| US6077010A | Wall bolt assembly | Mechanical Engineering; Lighting; Heating | 29 | Expired |
| US5218854A | System for cold expanding holes in rail sections | Mechanical Engineering; Lighting; Heating | 26 | Expired |
| US7024908B2 | Fatigue enhancement of material surrounding openings in workpieces | Chemistry; Metallurgy | 26 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.