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For the Inventor, By the Inventor

Gloucester, MA, United States of America

Proteus Industries Inc.


USPTO Granted Patents = 36

% Expired Patents = 2.8



Trademarks = 3

Forward Citations = 157

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9 inventors (with patents filed for the assignee):

goldMedal Stephen D Kelleher (21 out of 30 patents)

silverMedal William R Fielding (16 out of 20 patents)

bronzeMedal Mark R Nicewonger (15 out of 15 patents)

4.  Peter G Williamson (14 out of 14 patents)

5.  Wayne S Saunders (11 out of 11 patents)

6.  Caitlyn Frost (1 out of 2 patents)

7.  Tommy K Yiu (1 out of 1 patent)

8.  John W Clove (1 out of 1 patent)

9.  Anh H Nguyen (1 out of 1 patent)


36 patents:

1. 12467778 - Method for managing information in liquid velocity measurement (2025-11-11),
2. 12221917 - Apparatus for delivery and retraction of fluids (2025-02-11),
3. 12214439 - Systems and methods for using coolant flow sensors to determine electrode loss in resistance welding (2025-02-04),
4. 12186823 - Controlling the flow of coolant to resistance welding electrodes (2025-01-07),
5. 11759882 - Repurposed robot motion for purging coolant from resistance welding electrodes (2023-09-19),
6. 11752568 - Fluid transfer of suction force between drawback apparatuses (2023-09-12),
7. 11674722 - Apparatus for delivery and retraction of fluids (2023-06-13),
8. 11516939 - Multi-function actuator drawback for resistance welding electrodes (2022-11-29),
9. 11213911 - Fluid transfer of suction force between drawback apparatuses (2022-01-04),
10. 10736339 - Functional protein derived from animal muscle tissue or mechanically deboned meat and method for making the same (2020-08-11),
11. 10717148 - Fluid transfer of suction force between drawback apparatuses (2020-07-21),
12. 10470479 - Functional protein derived from animal muscle tissue or mechanically deboned meat and method for making the same (2019-11-12),
13. 10375974 - Protein composition obtained from meat trimmings (2019-08-13),
14. 10307857 - Systems and methods for coolant drawback (2019-06-04),
15. 10292410 - Injectable protein product (2019-05-21),
Proteus Industries Inc. is a leading manufacturer of flow management solutions. With more than four decades of experience, Proteus Industries offers high-quality instruments and systems for liquid flow measurement and control. The company's products are widely used in various industries including semiconductor, medical, and industrial manufacturing. Proteus Industries is committed to delivering reliable and accurate flow management solutions to improve productivity and efficiency. For more information, please visit our website.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Sep 22 2026

Proteus Industries Inc.
36 Patents

#2 in Gloucester, MA

#559 in Massachusetts

#9,489 in US

#18,686 in the World

Gloucester, MA (US)
Gloucester, MA, United States of America

Proteus Industries Inc.

Forward Citations = 157

9 inventors:

goldMedal Stephen D Kelleher (21 out of 30 patents)

silverMedal William R Fielding (16 out of 20 patents)

bronzeMedal Mark R Nicewonger (15 out of 15 patents)

4.  Peter G Williamson (14 out of 14 patents)

5.  Wayne S Saunders (11 out of 11 patents)

Please report any incorrect information to [email protected]
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