Prinzing Enterprises, Inc.
5Patents
0Active
5Granted
27Portfolio score
Filing activity: Apr 21, 1992 → Mar 1, 2002
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6617532B1 | Circuit breaker lockout device | Emerging Cross-Sectional Technologies | 27 | Expired |
| US5310969A | Switch lockouts | Electricity | 27 | Expired |
| US6622536B1 | Ball valve lockout | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5577599A | Switch lockouts | Electricity | 17 | Expired |
| US5543593A | Electrical switch lockout device | Electricity | 15 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.