Inventor
Stephen Worthington
Inventor
Calgary, CA
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G06Fprimary
G06FElectric digital data processing25%
G08BSignalling systems, e.g. personal calling systems25%
A61BDiagnosis8%
F02CGas-turbine plants8%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants8%
F16PSafety devices in general8%
G01NInvestigating or analysing materials by determining their chemical or physical properties8%
G02BOptical elements, systems or apparatus8%
PatentTitleYear
10,685,554Systems and methods for robust man-down alarms20209,557,306'Magnetically controlled gas detectors'20179,035,766'System and method of determining gas detector information and status via RFID tags'20158,665,097'System and method of worker fall detection and remote alarm notification'20148,456,418'Apparatus for determining the location of a pointer within a region of interest'20137,516,621'Modular LRU accessory mounting substrate for auxiliary power unit'20097,274,356'Apparatus for determining the location of a pointer within a region of interest'20077,232,986'Apparatus for detecting a pointer within a region of interest'2007Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2007Patents assigned to SMART TECHNOLOGIES INC (2)· patent assignee history
2007–2020Based in Calgary, CA· patent location history
2009Based in New Hartford, CT, US· patent location history
2013Patents assigned to BOOTH DAVID KENNETH (1)· patent assignee history
2014–2020Patents assigned to HONEYWELL INT INC (4)· patent assignee history
2014–2015Patents assigned to STINSON SEAN EVERETT (2)· patent assignee history
2014–2020Patents assigned to WORTHINGTON STEPHEN DAVID (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HONEYWELL INT INC | 4 | 2014–2020 |
| SMART TECHNOLOGIES INC | 2 | 2007 |
| STINSON SEAN EVERETT | 2 | 2014–2015 |
| WORTHINGTON STEPHEN DAVIDself | 2 | 2014–2020 |
| BOOTH DAVID KENNETH | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Calgary, CA | 7 | 2007–2020 |
| New Hartford, CT, US | 1 | 2009 |