Boltswitch, Inc.
15Patents
1Active
15Granted
29Portfolio score
Filing activity: Mar 3, 1975 → Dec 21, 2010 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4103133A | Dual switch operator using modified Geneva movement | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5354960A | Linear motor powered shunt trip operator | Electricity | 8 | Expired |
| US4020432A | Motorized shunt trip switch operator | Electricity | 8 | Expired |
| US4110584A | Load break switch with transparent internal shield | Electricity | 7 | Expired |
| US4536046A | Pull out fusible switches | Electricity | 7 | Expired |
| US5276288A | Shunt trip switch operator | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5244423A | Turn prevention assembly for electrical connection lugs | Electricity | 6 | Expired |
| US5486668A | Operating mechanism for a manually operated load break switch | Emerging Cross-Sectional Technologies | 4 | Expired |
| US8366492B2 | Terminal reversing block | Electricity | 4 | Active |
| US4076368A | Terminal fastener and instrument tap | Electricity | 3 | Expired |
| US4137433A | Bolted pressure switch with side operator mechanism and door assembly interlock | Electricity | 3 | Expired |
| US4363063A | Load break switch with built-in ground fault sensing | Electricity | 3 | Expired |
| US5041808A | Double load break switch and circuit | Electricity | 2 | Expired |
| US4177368A | Switch operating rod assembly | Emerging Cross-Sectional Technologies | 2 | Expired |
| US5272291A | Dual switch actuator mechanism with Geneva drive plate and follower plates detent assembly | Emerging Cross-Sectional Technologies | 2 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.