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Trademarks = 2

Forward Citations = 40

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7 inventors (with patents filed for the assignee):

Chandrashekhar H Joshi (6 out of 12 patents)

Chiu-Ying Tai (2 out of 7 patents)

Anil Mavanur (1 out of 4 patents)

4. Livia M Racz (1 out of 12 patents)

5. Jordan Cormier (1 out of 1 patent)

6. Alfred Pappo (1 out of 1 patent)

7. Bruce R Bent (1 out of 4 patents)

7 patents: Sort by Forward Citations

1. 7352112 - Hybrid piezoelectric-magnetostrictive actuator (2008-04-01),

2. 7250839 - Magnetostrictive thin film actuator (2007-07-31),

3. 7179339 - Terbium-dysprosium-iron magnetostrictive materials and devices using these materials (2007-02-20),

4. 6886331 - Magnetohydraulic motor (2005-05-03),

5. 6657515 - Tuning mechanism for a superconducting radio frequency particle accelerator cavity (2003-12-02),

6. 6451131 - Terbium-dysprosium-iron magnetostrictive materials and devices using these materials (2002-09-17),

7. 6246132 - Magnetostrictive actuator (2001-06-12),

Energen, Inc. is an oil and gas exploration and production company headquartered in Birmingham, Alabama. With over 60 years of experience, Energen is committed to responsibly developing energy resources while prioritizing safety and environmental stewardship. The company focuses on the acquisition, development, and exploration of oil and natural gas properties in the Permian Basin and the Midland Basin. Energen also has a growing portfolio of renewable energy projects, including solar and wind power. Through innovative technologies and strategic partnerships, Energen continues to drive sustainable growth and deliver value to its stakeholders.

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Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

7 Patents

#21 in Lowell, MA

#2,243 in Massachusetts

#38,840 in US

Lowell, MA, United States of America

Energen, Inc.