For the Inventor, By the Inventor

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Gloucester, MA, United States of America

Gloucester Engineering Co., Inc.

USPTO Granted Patents = 22

EPO Patents = 1

Forward Citations = 330

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18 inventors (with patents filed for the assignee):

Charles M Schott, Jr (10 out of 11 patents)

Karl H Keim (3 out of 4 patents)

Philip J Houle (2 out of 2 patents)

4. Robert G Oliver (2 out of 2 patents)

5. Michael Andrews (1 out of 2 patents)

6. J Corey Michal (1 out of 3 patents)

7. Chad Allen Biron (1 out of 2 patents)

8. William Welsh Bode (1 out of 1 patent)

9. William Ellery Jones (1 out of 1 patent)

10. Bruce Michael O'Connor (1 out of 1 patent)

11. Mark Dean Steele (1 out of 1 patent)

12. David J Smith (1 out of 3 patents)

13. Daniel W Woodman, Jr (1 out of 18 patents)

14. James R Ambler (1 out of 2 patents)

15. John J Mulcahy (1 out of 1 patent)

22 patents: Sort by Forward Citations

1. 8939751 - Annular die spiral groove configuration (2015-01-27),

2. 8430351 - Stretch film winder (2013-04-30),

3. 5205899 - Thermal expansion compensated hot knife (1993-04-27),

4. 4750874 - Air cooling ring for plastic film (1988-06-14),

5. 4430914 - Rotary apparatus for advancing a web (1984-02-14),

6. 4402656 - Control of tubular film size (1983-09-06),

7. 4377540 - Control of tubular film size (1983-03-22),

8. 4373273 - Air ring having a circular array of a large multiplicity of (1983-02-15),

9. 4289469 - Apparatus for forming and trimming articles from a web (1981-09-15),

10. 4286907 - Grid extensions on a rotary stacker (1981-09-01),

11. 4285686 - V-Board folder for flexible plastic films (1981-08-25),

12. 4272231 - Air cooling ring for plastic film with independent lubricating air for (1981-06-09),

13. 4260147 - Utilization of air jets for discharge conveyor on wicketing systems (1981-04-07),

14. 4243363 - Control of tubular film size (1981-01-06),

15. 4236884 - Internal air cooling of tubular plastic film (1980-12-02),

Gloucester Engineering Co., Inc. is a leading provider of innovative solutions for the plastics industry. With over 60 years of experience, Gloucester Engineering offers a wide range of custom-engineered equipment and extrusion systems to meet the unique needs of its customers. The company is known for its high-quality products, superior customer service, and commitment to excellence.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

22 Patents

#4 in Gloucester, MA

#901 in Massachusetts

#15,012 in US

#28,724 in the World

Gloucester, MA, United States of America

Gloucester Engineering Co., Inc.

Forward Citations = 330

18 inventors:

Charles M Schott, Jr (10 out of 11 patents)

Karl H Keim (3 out of 4 patents)

Philip J Houle (2 out of 2 patents)

4. Robert G Oliver (2 out of 2 patents)

5. Michael Andrews (1 out of 2 patents)

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