Inventor
William David Stewart
Inventor
Antrim, GB
Overview
Patents· 20 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B60Cprimary
B60CVehicle tyres56%
G01MTesting static or dynamic balance of machines or structures9%
G01BMeasuring length, thickness or similar linear dimensions6%
B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors3%
G01CMeasuring distances, levels or bearings3%
G01DMeasuring not specially adapted for a specific variable3%
G01FMeasuring volume, volume flow, mass flow or liquid level3%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure3%
G01RMeasuring electric variables3%
G01SRadio direction-finding3%
PatentTitleYear
11,099,091Advanced tire monitoring system202111,084,336Methods and apparatus for determining the orientation of a tire mounted device202111,034,196Tire sensor location method and apparatus202110,836,222Tire mounted sensors with controlled orientation and removal detection202010,518,590System and method for tracking tire tread wear20199,778,305'Pulse width measurement method and apparatus'20179,126,459'Apparatus and methods for determining the position and/or orientation of a tire mounted unit in a wheel monitoring system'20158,528,393'Wheel position determination using revolution counter'20138,312,987'Belt monitoring systems and methods'20127,926,341'System and method for sensing the level and composition of liquid in a fuel tank'20117,423,532'Determination of wheel sensor position using a single radio frequency detector in an automotive remote tire monitor system'20087,367,227'Determination of wheel sensor position using shock sensors and a wireless solution'20087,362,218'Motion detection using a shock sensor in a remote tire pressure monitoring system'20087,104,123'Method and apparatus for detecting wheel motion in a tire pressure monitoring system'20067,010,968'Determination of wheel sensor position using a wireless solution'20066,882,270'Determination of wheel sensor position using radio frequency detectors in an automotive remote tire monitor system'20056,864,785'Determination of wheel sensor position using radio frequency detectors in an automotive remote tire monitor system'20056,809,639'Determination of wheel sensor position using radio frequency detectors in an automotive remote tire monitor system'20046,518,876'Determination of wheel sensor position using radio frequency detectors in an automotive remote tire monitor system'20036,043,738'Method and apparatus for identifying remote sending units in a vehicle'2000Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2000–2008Patents assigned to SCHRADER BRIDGEPORT INT INC (8)· patent assignee history
2000–2021Based in Antrim, GB· patent location history
2006–2021Patents assigned to SCHRADER ELECTRONICS LTD (8)· patent assignee history
2008Based in Antrium, IE· patent location history
2012–2013Patents assigned to STEWART WILLIAM (2)· patent assignee history
2012Patents assigned to BOUDAOUD IDIR (1)· patent assignee history
2012Based in County Durham, GB· patent location history
2019–2021Patents assigned to SENSATA TECHNOLOGIES INC (3)· patent assignee history
2021Based in Belfast, GB· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SCHRADER BRIDGEPORT INT INC | 8 | 2000–2008 |
| SCHRADER ELECTRONICS LTD | 8 | 2006–2021 |
| SENSATA TECHNOLOGIES INC | 3 | 2019–2021 |
| STEWART WILLIAMself | 2 | 2012–2013 |
| BOUDAOUD IDIR | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Antrim, GB | 16 | 2000–2021 |
| Belfast, GB | 2 | 2021 |
| County Durham, GB | 1 | 2012 |
| Antrium, IE | 1 | 2008 |