Inventor
David Q. Heagerty
Inventor
Glen Mills, PA, US
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F16Kprimary
F16KValves40%
G01MTesting static or dynamic balance of machines or structures40%
G01RMeasuring electric variables20%
PatentTitleYear
6,134,949'Method and apparatus for on-line detection of leaky emergency shut down or other valves'20006,128,946'Method and apparatus for on-line detection of leaky emergency shut down or other valves'20005,519,300'Method and apparatus for analysis of polyphase electrical motor systems'1996Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1996Patents assigned to LIBERTY TECHNOLOGIES INC (1)· patent assignee history
1996–2000Based in Glen Mills, PA, US· patent location history
2000Patents assigned to CRANE NUCLEAR INC (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CRANE NUCLEAR INC | 2 | 2000 |
| LIBERTY TECHNOLOGIES INC | 1 | 1996 |
Locations
| Location | Patents | Span |
|---|---|---|
| Glen Mills, Pennsylvania, US | 3 | 1996–2000 |