LexDanaLexDanabeta
Inventor

David W. Doyle

Inventor
Lufkin, TX, US

Overview

10→
Patents
1987–2019
Patent span
Physics
Primary field (CPC G)

Patents· 10 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

F04Bprimary
F04BPositive-displacement machines for liquids20%
Y10TTechnical subjects covered by former us classification20%
E21BEarth or rock drilling15%
G02BOptical elements, systems or apparatus15%
H01QAntennas, i.e. radio aerials10%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein5%
G05BControl or regulating systems in general5%
H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses5%
H04LTransmission of digital information, e.g. telegraphic communication5%
PatentTitleYear
10,422,205Low profile rod pumping unit with pneumatic counterbalance for the active control of the rod string201910,024,314Control system and method of controlling a rod pumping unit20189,115,574'Low profile rod pumping unit with pneumatic counterbalance for the active control of the rod string'20158,585,273'Illumination assembly including wavelength converting material'20138,436,388'Illumination assembly including wavelength converting material having spatially varying density'20138,240,221'Beam pumping unit for inclined wellhead'20128,092,064'Tiled illumination assembly and related methods'20127,526,054'Method, article, and apparatus for a dynamic phase delay compensator'20095,229,777'Microstrap antenna'19934,660,048'Microstrip patch antenna system'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–2012Patents assigned to DOYLE DAVID W (2)· patent assignee history
1993Based in Wylie, TX, US· patent location history
2009Based in Quincy, MA, US· patent location history
2012–2013Patents assigned to DOYLE DAVID (3)· patent assignee history
2012–2013Patents assigned to ERCHAK ALEXEI A (3)· patent assignee history
2012–2013Patents assigned to TARASCHI GIANNI (3)· patent assignee history
2012–2013Based in Somerville, MA, US· patent location history
2012Based in Groveton, TX, US· patent location history
2013Patents assigned to LIM MICHAEL (2)· patent assignee history
2015–2019Based in Lufkin, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DOYLE DAVIDself32012–2013
ERCHAK ALEXEI A32012–2013
TARASCHI GIANNI32012–2013
DOYLE DAVID Wself21993–2012
LIM MICHAEL22013
Locations
LocationPatentsSpan
Lufkin, Texas, US32015–2019
Somerville, Massachusetts, US32012–2013
Groveton, Texas, US12012
Quincy, Massachusetts, US12009
Wylie, Texas, US11993