Inventor
William T. Cruickshank
Inventor
Port Huron, MI, US
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Fprimary
G01FMeasuring volume, volume flow, mass flow or liquid level38%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
H01HElectric switches10%
H02JElectric power networks10%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems10%
Y02TClimate change mitigation technologies related to transportation10%
H04WWireless communication networks5%
Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use5%
PatentTitleYear
RE046230'Inverter with network interface'20168,304,929'Inverter with network interface'20127,286,859'Adaptive radio frequency wakeup detection'20076,121,780'Material interface level sensing'20006,085,589'Material level sensing system calibration'20005,644,299'Ultrasonic material level measurement'19975,161,411'Material level indication'19924,779,460'Sensor and system for measuring the level of a liquid in a container'19884,165,935'Differential float control'19794,165,501'Position sensing system'19794,064,755'Liquid level sensor'19774,056,979'Liquid level sensor'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–1979Patents assigned to B W CONTROLS INC (4)· patent assignee history
1977–1979Based in Pontiac, MI, US· patent location history
1988Patents assigned to BLTEC INC (1)· patent assignee history
1988Based in Auburn Hills, MI, US· patent location history
1992–1997Patents assigned to BINDICATOR CO (2)· patent assignee history
1992–2000Based in Port Huron, MI, US· patent location history
2007–2016Patents assigned to LEAR CORP (3)· patent assignee history
2007–2016Based in Rochester Hills, MI, US· patent location history
2012Patents assigned to CRUICKSHANK WILLIAM (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| B W CONTROLS INC | 4 | 1977–1979 |
| LEAR CORP | 3 | 2007–2016 |
| BINDICATOR CO | 2 | 1992–1997 |
| BLTEC INC | 1 | 1988 |
| CRUICKSHANK WILLIAMself | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Port Huron, MI, US | 4 | 1992–2000 |
| Pontiac, MI, US | 4 | 1977–1979 |
| Rochester Hills, MI, US | 3 | 2007–2016 |
| Auburn Hills, MI, US | 1 | 1988 |