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Assignee profile:

LUFKIN INDUSTRIES, INC.

City:

Lufkin, Texas

Country:

United States

Published Applications:

17

Last publication date:

2015-11-12

Patent Grants:

15

Last grant date:

2016-08-09

Top Inventors for applications by LUFKIN INDUSTRIES, INC.

These are the the leading inventors for applications assigned to LUFKIN INDUSTRIES, INC.:

Recent patent applications by LUFKIN INDUSTRIES, INC.

LUFKIN INDUSTRIES, INC. based in Lufkin, US has been assigned the rights to these inventions. The list includes both Pending Applications and Patent Grants:

#1 | 2015-11-12 ✅ Patent 9,410,572 granted on 2016-08-09
US20150323000A1
Mechanical engineering

Five-axial groove cylindrical journal bearing with pressure dams for bi-directional rotation

 #2 | 2014-11-13
US20140332227A1
Fixed constructions

GAS-LIFT VALVE AND METHOD OF USE

 #3 | 2014-07-17 ✅ Patent 9,617,837 granted on 2017-04-11
US20140196907A1
Fixed constructions

Hydraulic oil well pumping apparatus

 #4 | 2014-07-03
US20140188292A1
Mechanical engineering

Methods, Systems, and Computer Readable Media for Sectional-Based Speed Control of a Linear Pump

 #5 | 2013-11-21 ✅ Patent 9,115,574 granted on 2015-08-25
US20130306326A1
Fixed constructions

Low profile rod pumping unit with pneumatic counterbalance for the active control of the rod string

 #6 | 2013-04-30 ✅ Patent 8,433,516 granted on 2013-04-30
US13175431
-

Apparatus for analysis and control of a reciprocating pump system by determination of a pump card

 #7 | 2013-03-07 ✅ Patent 8,678,082 granted on 2014-03-25
US20130058798A1
Fixed constructions

Hydraulic oil well pumping apparatus

 #8 | 2013-01-24 ✅ Patent 8,849,594 granted on 2014-09-30
US20130024138A1
Fixed constructions

Methods for measuring leakage rate and inferring production rate of an oilfield downhole pump

 #9 | 2012-06-07 ✅ Patent 8,894,286 granted on 2014-11-25
US20120141056A1
Mechanical engineering

Bridge spring centering device for squeeze film dampers

 #10 | 2012-02-09 ✅ Patent 8,240,221 granted on 2012-08-14
US20120031208A1
Mechanical engineering

Beam pumping unit for inclined wellhead

 #11 | 2011-01-20 ✅ Patent 8,235,107 granted on 2012-08-07
US20110014064A1
Fixed constructions

Hydraulic oil well pumping apparatus

 #12 | 2010-05-06 ✅ Patent 8,036,829 granted on 2011-10-11
US20100111716A1
Mechanical engineering

Apparatus for analysis and control of a reciprocating pump system by determination of a pump card

 #13 | 2009-05-21 ✅ Patent 7,870,900 granted on 2011-01-18
US20090129942A1
Fixed constructions

System and method for controlling a progressing cavity well pump

 #14 | 2006-07-06 ✅ Patent 7,212,923 granted on 2007-05-01
US20060149476A1
Fixed constructions

Inferred production rates of a rod pumped well from surface and pump card information

 #15 | 2006-03-30 ✅ Patent 7,547,196 granted on 2009-06-16
US20060067834A1
Mechanical engineering

Method for mitigating rod float in rod pumped wells

 #16 | 2005-07-05 ✅ Patent 6,912,786 granted on 2005-07-05
US10638002
-

Herringbone gear teeth and method for manufacturing same

 #17 | 2005-05-19 ✅ Patent 6,988,420 granted on 2006-01-24
US20050103556A1
Performing operations; transporting

Method and apparatus for applying dynamic loads to a locked gear train for testing power transmission components

Also check out Lufkin Industries, Inc.'s (Lufkin, United States) applicant profile with 3 patent applications submitted.

AssigneeID:

12657 ⎘