Inventor
Alan Howell
Inventor
Oklahoma City, OK, US
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling35%
F04DNon-positive-displacement pumps35%
F04BPositive-displacement machines for liquids18%
F16JPistons6%
H02KDynamo-electric machines6%
PatentTitleYear
10,228,062Modular seal section with external ports to configure chambers in series or parallel configuration20199,593,693'Seal section with parallel bag sections'20178,690,551'Modular seal bladder for high temperature applications'20148,419,387'Bag seal mounting plate with breather tube'20138,246,328'Seal section with sand trench'20127,624,795'Bottom mount auxiliary pumping system seal section'20097,367,400'Motor protector and method for chemical protection of same'20087,066,248'Bottom discharge seal section'20066,602,059'Electric submersible pump assembly with tube seal section'2003Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2003–2009Patents assigned to WOOD GROUP ESP INC (4)· patent assignee history
2003Based in OKC, OK, US· patent location history
2006–2019Based in Oklahoma City, OK, US· patent location history
2008Based in Edmond, OK, US· patent location history
2012–2019Patents assigned to GE OIL & GAS ESP INC (5)· patent assignee history
2012–2017Patents assigned to HOWELL ALAN (4)· patent assignee history
2012–2014Patents assigned to ROYZEN ARCADY (3)· patent assignee history
2012–2013Patents assigned to BARNES MICHAEL (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GE OIL & GAS ESP INC | 5 | 2012–2019 |
| HOWELL ALANself | 4 | 2012–2017 |
| WOOD GROUP ESP INC | 4 | 2003–2009 |
| ROYZEN ARCADY | 3 | 2012–2014 |
| BARNES MICHAEL | 2 | 2012–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Oklahoma City, OK, US | 7 | 2006–2019 |
| Edmond, OK, US | 1 | 2008 |
| OKC, OK, US | 1 | 2003 |