Inventor
Christopher Andrew Devries
Inventor
Ottawa, CA
Overview
Patents· 15 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Bprimary
H04BTransmission19%
H01QAntennas, i.e. radio aerials11%
Y10TTechnical subjects covered by former us classification11%
H01PWaveguides7%
H04LTransmission of digital information, e.g. telegraphic communication7%
G01CMeasuring distances, levels or bearings4%
G06FElectric digital data processing4%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes4%
G08GTraffic control systems4%
G11CStatic stores4%
PatentTitleYear
10,380,711System and method for rideshare vehicle chaining20199,634,395'Monopole antenna with a tapered Balun'20179,397,393'Method and system for multiple feed point antennas'20169,225,058'Flex PCB folded antenna'20159,077,423'Multiple input multiple output user equipment radio frequency assistant system'20159,059,490'60 GHz integrated circuit to printed circuit board transitions'20158,989,690'Method and apparatus for interference measurement and response'20158,983,394'Systems and methods for testing radio-based devices'20158,693,597'Sensor-based wireless communication systems using compressive sampling'20148,583,035'Multiple input multiple output user equipment radio frequency assistant system'20138,553,909'Low-power class D amplifier using multistate analog feedback loops'20137,539,476'RF-to-baseband receiver architecture'20096,963,249'Injection locking using direct digital tuning'20056,873,215'Power down system and method for integrated circuits'20056,836,158'Signal sampling method and circuit for improved hold mode isolation'2004Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2004–2005Patents assigned to ENQ SEMICONDUCTOR INC (3)· patent assignee history
2004–2013Based in Ottawa, CA· patent location history
2013–2017Patents assigned to BLACKBERRY LTD (9)· patent assignee history
2013Patents assigned to BADIERE DANIEL (1)· patent assignee history
2013Patents assigned to DEVRIES CHRISTOPHER (1)· patent assignee history
2013Patents assigned to DEVRIES CHRISTOPHER A (1)· patent assignee history
2013–2015Based in Waterloo, CA· patent location history
2015–2017Based in St. Thomas, CA· patent location history
2015Based in Kitchner, CA· patent location history
2019Based in Ann Arbor, MI, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BLACKBERRY LTD | 9 | 2013–2017 |
| ENQ SEMICONDUCTOR INC | 3 | 2004–2005 |
| BADIERE DANIEL | 1 | 2013 |
| DEVRIES CHRISTOPHERself | 1 | 2013 |
| DEVRIES CHRISTOPHER Aself | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ottawa, CA | 5 | 2004–2013 |
| Waterloo, CA | 4 | 2013–2015 |
| St. Thomas, CA | 3 | 2015–2017 |
| Ann Arbor, MI, US | 1 | 2019 |
| Kitchner, CA | 1 | 2015 |