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For the Inventor, By the Inventor

Tulsa, OK, United States of America

Mcelroy Manufacturing, Inc.

Calculating rank
USPTO Granted Patents = 31

% Expired Patents = 3.2



Trademarks = 23

Forward Citations = 157

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31 inventors (with patents filed for the assignee):

goldMedal Arthur H McElroy, Ii (13 out of 31 patents)

silverMedal David W Porter (9 out of 11 patents)

bronzeMedal James R Perrault (7 out of 15 patents)

4.  Timothy Michael Thoman (7 out of 10 patents)

5.  Paul John Donaldson (6 out of 7 patents)

6.  Bobby Lee Murray (5 out of 6 patents)

7.  Seth P Ahrens (5 out of 5 patents)

8.  Jason A Lawrence (4 out of 7 patents)

9.  William Barton Draeger (4 out of 4 patents)

10.  Richard A Deaver (3 out of 3 patents)

11.  Brian M O'Connell (2 out of 8 patents)

12.  Abraham B Contreras (2 out of 3 patents)

13.  Fabiano Tavares De Souza (2 out of 2 patents)

14.  Brandon William Jackman (2 out of 2 patents)

15.  Timothy A Lyon (2 out of 2 patents)


Core Competencies:
Polyethylene Pipe
Pipe Fusion Machine
Modular Carriage Assembly
Butt Fusion
Cartesian Pipe Facer
Clamp Assembly
Socket Fusion Jig
Tapered Wattage Radial Heater
Self-Contained Machine
Automated Fin Tube Process
Pneumatic Mandrel
Programmable Device

31 patents:

1. 12162226 - Apparatus and method having multiple operating modes for fusing polyethylene pipe (2024-12-10),
2. 11602905 - Apparatus and method having multiple operating modes for fusing polyethylene pipe (2023-03-14),
3. 11458693 - Pipe fusion machine (2022-10-04),
4. 11312088 - Modular carriage assembly for the fusion of polyolefin pipes (2022-04-26),
5. 11034097 - Method for butt fusion of polyethylene pipe (2021-06-15),
6. 10751950 - Pipe fusion machine (2020-08-25),
7. 10682780 - Facer for end fusion of polyolefin pipes (2020-06-16),
8. 10603724 - Cartesian pipe facer (2020-03-31),
9. 10436362 - Clamp assembly (2019-10-08),
10. 10369751 - Top-loading straddle-mounted pipe fusion machine (2019-08-06),
11. 10343336 - Tool for fusing outlet fittings in a plastic pipe and method of using the tool (2019-07-09),
12. 10160101 - Socket fusion jig (2018-12-25),
13. 10093000 - Socket fusion jig (2018-10-09),
14. 9638355 - Seal girding a stick of pipe or a pipeline in the entry or exit ports of a pipe fusion chamber (2017-05-02),
15. 9604288 - Cartesian pipe facer (2017-03-28),
Company Overview
Mcelroy Manufacturing, Inc. is a leading provider of pipe fusion equipment and related technologies, specializing in the development and manufacture of innovative solutions for the construction and utility industries. Based in Tulsa, Oklahoma, the company focuses on enhancing the efficiency and reliability of pipe joining processes, particularly in the areas of thermoplastic piping systems. Mcelroy's commitment to research and development ensures that it remains at the forefront of advancements in fusion technology, serving a diverse range of applications globally.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Nov 10 2026

31 Patents

#24 in Tulsa, OK

#52 in Oklahoma

#10,959 in US

#21,334 in the World

Tulsa, OK (US)
Tulsa, OK, United States of America

Mcelroy Manufacturing, Inc.

Forward Citations = 157

31 inventors:

goldMedal Arthur H McElroy, Ii (13 out of 31 patents)

silverMedal David W Porter (9 out of 11 patents)

bronzeMedal James R Perrault (7 out of 15 patents)

4.  Timothy Michael Thoman (7 out of 10 patents)

5.  Paul John Donaldson (6 out of 7 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Mcelroy Manufacturing, Inc.. Retrieved from https://idiyas.com/company/mcelroy-manufacturing

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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