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For the Inventor, By the Inventor

Golden, CO, United States of America

Well Master Corporation


USPTO Granted Patents = 18

% Expired Patents = 5.6

Forward Citations = 110

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8 inventors (with patents filed for the assignee):

goldMedal David A Green (13 out of 15 patents)

silverMedal Robert E Bender (11 out of 11 patents)

bronzeMedal Daniel John Nelson (3 out of 111 patents)

4.  Neil W Longfellow (2 out of 2 patents)

5.  Jesse L Smith (2 out of 2 patents)

6.  Matthew Southard (1 out of 10 patents)

7.  Stephen Wiese (1 out of 1 patent)

8.  Kevin W Hightower (1 out of 1 patent)


18 patents:

1. 11965400 - System and method to maintain minimum wellbore lift conditions through injection gas regulation (2024-04-23),
2. 11746628 - Multi-stage downhole tool movement control system and method of use (2023-09-05),
3. 11555387 - Downhole tool movement control system and method of use (2023-01-17),
4. 11492863 - Enhanced geometry receiving element for a downhole tool (2022-11-08),
5. 11319785 - Downhole tool movement control system and method of use (2022-05-03),
6. 10577903 - Vortex plunger arrangement (2020-03-03),
7. 10378321 - Bypass plungers including force dissipating elements and methods of using the same (2019-08-13),
8. 9869165 - Plunger lift arrangement (2018-01-16),
9. 9121269 - Vortex plunger arrangement (2015-09-01),
10. 8869902 - Dynamic seal pad plunger arrangement (2014-10-28),
11. 8863837 - Plunger lift control system arrangement (2014-10-21),
12. 8607880 - Gas lift plunger acceleration arrangement (2013-12-17),
13. 8201629 - Staging tool seal arrangement for gas wells (2012-06-19),
14. 8162053 - Gas lift plunger assembly arrangement (2012-04-24),
15. 7793728 - Gas lift plunger arrangement (2010-09-14),
Company Overview
Well Master Corporation, based in Golden, Colorado, specializes in the development and manufacturing of advanced wellhead systems and related technologies for the oil and gas industry. The company focuses on providing innovative solutions that enhance the efficiency and safety of well operations. With a commitment to research and development, Well Master Corporation aims to address the evolving needs of energy extraction and management, contributing to sustainable practices within the sector.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

18 Patents

#27 in Golden, CO

#371 in Colorado

#17,974 in US

#34,244 in the World

Golden, CO (US)
Golden, CO, United States of America

Well Master Corporation

Forward Citations = 110

8 inventors:

goldMedal David A Green (13 out of 15 patents)

silverMedal Robert E Bender (11 out of 11 patents)

bronzeMedal Daniel John Nelson (3 out of 111 patents)

4.  Neil W Longfellow (2 out of 2 patents)

5.  Jesse L Smith (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Well Master Corporation. Retrieved from https://idiyas.com/company/well-master

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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