VSI, LLC
76Patents
12Active
76Granted
41Portfolio score
Filing activity: Sep 26, 1974 → Oct 11, 2024 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5362111A | Anti-rotation locking device for preventing separation of coupling nuts from fluid lines | Emerging Cross-Sectional Technologies | 85 | Expired |
| US4260005A | Self-locking fastener, fastener system, and process | Emerging Cross-Sectional Technologies | 66 | Expired |
| US5002418A | Hold down device with extended capture pawl mechanism | Emerging Cross-Sectional Technologies | 66 | Expired |
| US4544312A | Pin and process for its manufacture | Mechanical Engineering; Lighting; Heating | 61 | Expired |
| US5414594A | Self-adjusting insertion/extraction apparatus for printed circuit boards | Electricity | 53 | Expired |
| US5607273A | Printed circuit board wedge section retainer | Electricity | 51 | Expired |
| US5039265A | Lightweight fastener | Mechanical Engineering; Lighting; Heating | 45 | Expired |
| US5207544A | Fastener assembly | Emerging Cross-Sectional Technologies | 45 | Expired |
| US5336028A | Captive screw assembly | Emerging Cross-Sectional Technologies | 43 | Expired |
| US5452979A | Fastener assembly | Mechanical Engineering; Lighting; Heating | 38 | Expired |
| US5366330A | Fastener head with internal recess having a radial slot configuration and installation tool therefor | Emerging Cross-Sectional Technologies | 37 | Expired |
| US4262501A | Torque control installation and removal tool | Performing Operations; Transporting | 37 | Expired |
| US4995777A | Fastener with self-retaining collar | Mechanical Engineering; Lighting; Heating | 31 | Expired |
| US5137406A | Shear-transfer fastener assembly | Mechanical Engineering; Lighting; Heating | 30 | Expired |
| US5256017A | Composite blind rivet assembly | Mechanical Engineering; Lighting; Heating | 29 | Expired |
| US4925221A | Toggle latch with automatic safety catch | Emerging Cross-Sectional Technologies | 29 | Expired |
| US4480811A | Fail-safe actuator device | Mechanical Engineering; Lighting; Heating | 25 | Expired |
| US4007659A | Fastener insert with improved anti-rotation and pull-out characteristics | Mechanical Engineering; Lighting; Heating | 25 | Expired |
| US4617844A | Removable key for wrenching tool | Emerging Cross-Sectional Technologies | 25 | Expired |
| US4203346A | Blind bolt fastener for low bearing strength materials | Mechanical Engineering; Lighting; Heating | 25 | Expired |
| US4285380A | Panel fastener | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| US4487226A | Failure sensing hydraulic accumulator and system | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| US5209620A | Fastener with differentially inclined axes | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5094491A | Hydraulic fitting nut lock | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US4742735A | Driver for a lobed collar | Mechanical Engineering; Lighting; Heating | 21 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.