Howell Instruments, Inc.
8Patents
0Active
8Granted
31Portfolio score
Filing activity: Oct 3, 1974 → Mar 15, 2004
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5018069A | Reference system and method for diagnosing aircraft engine conditions | Mechanical Engineering; Lighting; Heating | 54 | Expired |
| US7031812B1 | System and method for monitoring aircraft engine health and determining engine power available, and applications thereof | Performing Operations; Transporting | 37 | Expired |
| US4884171A | Electromagnetic interference shielding device for a portable aircraft engine tester | Emerging Cross-Sectional Technologies | 24 | Expired |
| US4954974A | Turbine engine fan speed monitor | Physics | 15 | Expired |
| US4821216A | Multifunction meter for use in an aircraft | Physics | 11 | Expired |
| US4031366A | Low cycle fatigue damage counter | Physics | 11 | Expired |
| US5003818A | Aircraft brake tester | Physics | 7 | Expired |
| US3930742A | Velocity probe for compressor surge control | Mechanical Engineering; Lighting; Heating | 7 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.