For the Inventor, By the Inventor

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Ithaca, NY, United States of America

Hi-speed Checkweigher Co., Inc.

USPTO Granted Patents = 33

Trademarks = 2

Forward Citations = 513

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20 inventors (with patents filed for the assignee):

Victor Del Rosso (16 out of 16 patents)

John E Uber (5 out of 6 patents)

John W Lindstrom (5 out of 5 patents)

4. Eugene Anthony Helmetsie (3 out of 11 patents)

5. David A Troisi (3 out of 3 patents)

6. Carl A Matson (3 out of 3 patents)

7. Charles R Pettis, Jr (3 out of 3 patents)

8. Eric A Inglin (2 out of 6 patents)

9. Peter R Braun (1 out of 1 patent)

10. Scott E Zimmerman (1 out of 1 patent)

11. Alex J Specker (1 out of 1 patent)

12. Donald J Willemsen (1 out of 2 patents)

13. Steven Del Rosso (1 out of 1 patent)

14. Steven P Ehrhardt (1 out of 1 patent)

15. David Waterman (1 out of 1 patent)

33 patents: Sort by Forward Citations

1. 6630633 - High speed pneumatic weighing device (2003-10-07),

2. 6084184 - Checkweigher which weighs product suspended by flange (2000-07-04),

3. 5947263 - Conveyor element tensioning mechanism (1999-09-07),

4. 5929387 - Indexed worm conveyor (1999-07-27),

5. D402781 - Framework for a modular conveyor system (1998-12-15),

6. 5797481 - Modular conveyor system (1998-08-25),

7. 5722532 - Convergent/divergent product conveyor (1998-03-03),

8. 5701991 - Clamping mechanism (1997-12-30),

9. 5576520 - Checkweigher having variable weigh platform (1996-11-19),

10. 5434366 - Checkweigher (1995-07-18),

11. 5300736 - Adaptive timing in-motion checkweigher (1994-04-05),

12. 5141064 - Liquid damping mechanism employing an adjustable shear plate (1992-08-25),

13. 4951763 - Checkweigher (1990-08-28),

14. 4689615 - Display of data source trends (1987-08-25),

15. 4595447 - Article labeling machine (1986-06-17),

Hi-speed Checkweigher Co., Inc. is a leading company that specializes in the design, manufacture, and installation of high-speed checkweighers. With years of expertise in the industry, we provide innovative checkweighing solutions for various industries including food, pharmaceuticals, beverages, and more. Our advanced checkweigher systems ensure accurate weight measurement and compliance with regulatory standards. We are committed to delivering reliable products and excellent customer service to meet the diverse needs of our clients worldwide.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

33 Patents

#8 in Ithaca, NY

#564 in New York

#9,941 in US

#19,539 in the World

Ithaca, NY, United States of America

Hi-speed Checkweigher Co., Inc.

Forward Citations = 513

20 inventors:

Victor Del Rosso (16 out of 16 patents)

John E Uber (5 out of 6 patents)

John W Lindstrom (5 out of 5 patents)

4. Eugene Anthony Helmetsie (3 out of 11 patents)

5. David A Troisi (3 out of 3 patents)

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