David W Doyle

This inventor holds 5 USPTO granted patents, plus 1 CIPO patent and 2 EPO patents. Top assignees: Lufkin Industries, LLC, General Electric Company, Other. Active years: 1993-2019.

USPTO Granted Patents = 5

% Patents Active = 80.0

CIPO Patents = 1

EPO Patents = 2 (Patent Applications = 1)

Average Co-Inventor Count = 1.4

ph-index = 3

Forward Citations = 67(Granted Patents)

Location History:

Wylie, TX (US) (1993)
Groveton, TX (US) (2012)
Lufkin, TX (US) (2015 - 2019)

Company Filing History:

3 out of 27

Lufkin Industries, LLC

patents

1 out of 52,347

General Electric Company

patents

1 out of 834,350

Other

patents

Years Active: 1993-2019

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5 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10422205 - Low profile rod pumping unit with pneumatic counterbalance for the active control of the rod string (2019-09-24),

2. 10024314 - Control system and method of controlling a rod pumping unit (2018-07-17),

3. 9115574 - Low profile rod pumping unit with pneumatic counterbalance for the active control of the rod string (2015-08-25),

4. 8240221 - Beam pumping unit for inclined wellhead (2012-08-14),

5. 5229777 - Microstrap antenna (1993-07-20),

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1 patent (CIPO):

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2 patents (EPO):

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1 patent pending (EPO):

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