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For the Inventor, By the Inventor

Houston, TX, United States of America

John Edward Stachowiak, Jr

This inventor holds 28 USPTO granted patents and 19 published patent applications, primarily in Downhole Pump Technology. Top assignees: Weatherford Technology Holdings, LLC, Dewalch Technologies, Inc., Dewalch Technoloiges, Inc.. Active years: 2007-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John Edward Stachowiak, Jr. Retrieved from https://idiyas.com/inventor/john-edward-stachowiak-jr

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

USPTO Granted Patents = 28 

% Patents Active = 78.6

Average Co-Inventor Count = 1.7

ph-index = 4

Forward Citations = 49(Granted Patents)


Company Filing History:

goldMedal23 out of 923 
 
Weatherford Technology Holdings, LLC
 patents
silverMedal4 out of 12 
 
Dewalch Technologies, Inc.
 patents
bronzeMedal1 out of 1 
 
Dewalch Technoloiges, Inc.
 patent

Years Active: 2007-2025

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Areas of Expertise:
Long-Stroke Pumping Unit
Valve Assembly
Reciprocating Pump
Artificial Lift System
Subsurface Pump
Fluid Chamber
Wiper Ring Assembly
Centrifugal Separator
Nickel Corrosion Barrier
Anchor Catcher
Security Devices
Diversion Plunger
28 patents (USPTO):Explore Patents
1. 12429046 - Long-stroke pumping unit (2025-09-30),
2. 12152451 - Quarter-turn anchor catcher having anti-rotation sleeve and allowing for high annular flow (2024-11-26),
3. 12146386 - Valve assembly for downhole pump of reciprocating pump system (2024-11-19),
4. 12116992 - Long-stroke pumping unit (2024-10-15),
5. 11781543 - Long-stroke pumping unit (2023-10-10),
6. 11761270 - Operating tool for an artificial lift system (2023-09-19),
7. 11255171 - Method of pumping fluid from a wellbore by a subsurface pump having an interior flow passage in communication with a fluid chamber via a filter positioned in a side wall of a plunger (2022-02-22),
8. 11091980 - Streamlined valve assembly for downhole pump of reciprocating pump system (2021-08-17),
9. 10907454 - Polished rod liner assembly (2021-02-02),
10. 10900483 - Wiper ring assembly with energizing member (2021-01-26),
11. 10851927 - Security devices including a retained lock, shroud, and plug (2020-12-01),
12. 10844852 - Long-stroke pumping unit (2020-11-24),
13. 10823761 - Securing apparatus and method (2020-11-03),
14. 10822839 - Retained lock system and method (2020-11-03),
15. 10767445 - Valve assembly for downhole pump of reciprocating pump system (2020-09-08),

Title: John Edward Stachowiak, Jr.: Pioneering Innovator in Houston, TX

Introduction:

John Edward Stachowiak, Jr., a prolific inventor based in Houston, TX, has made remarkable contributions to the field of artificial lift systems. With an impressive portfolio of 20 patents, Stachowiak's groundbreaking inventions have revolutionized the industry.

Latest Patents:

Among his latest patents is the innovative "Long-stroke pumping unit," which features a dynamic control system for enhanced motor speed regulation. Additionally, Stachowiak's "Operating tool for an artificial lift system" showcases his ingenuity in designing efficient and reliable tools for oil and gas extraction operations.

Career Highlights:

Stachowiak's career is marked by his tenure at renowned companies such as Weatherford Technology Holdings and Dewalch Technologies. His expertise and innovative spirit have propelled these organizations to new heights in the energy sector, solidifying his reputation as a trailblazer in the field.

Collaborations:

Throughout his career, Stachowiak has collaborated with industry stalwarts like Clark E. Robison and Jeffrey John Lembcke. These partnerships have led to the development of cutting-edge technologies that have reshaped the landscape of artificial lift systems.

Conclusion:

In conclusion, John Edward Stachowiak, Jr. stands as a visionary inventor whose pioneering work has had a profound impact on the oil and gas industry. His relentless pursuit of innovation and commitment to excellence continue to inspire future generations of inventors and engineers.

Profile summary based on public USPTO records.
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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