For the Inventor, By the Inventor

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Twinsburg, OH, United States of America

Weatherchem Corporation

USPTO Granted Patents = 62

% Expired Patents = 3.2

EPO Patents = 1

Trademarks = 10

Forward Citations = 2,928

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33 inventors (with patents filed for the assignee):

Barry Michael Daggett (19 out of 23 patents)

Brian David Groubert (15 out of 15 patents)

Michael J Forsyth (12 out of 13 patents)

4. Anna Frolova-Levi (8 out of 8 patents)

5. Douglas S Martin (7 out of 16 patents)

6. Lewis L Otterson (5 out of 5 patents)

7. Joel W Wennerstrom (4 out of 8 patents)

8. Ovidiu Opresco (4 out of 7 patents)

9. David C Baxter (3 out of 3 patents)

10. Craig C Weidman (3 out of 9 patents)

11. Charles Tecco (3 out of 3 patents)

12. John R Hickman (3 out of 3 patents)

13. Bruno A Mediate (2 out of 3 patents)

14. Patricia A Bittel (2 out of 2 patents)

15. Lawrence E Lasich (2 out of 2 patents)

Core Competencies:

Dispensing Closure

Child-Resistant Cap

Sift-Resistant Design

Tamper-Evident Mechanism

Liquid Dispensing Cap

Pliable Sealing Surface

Dual Hinge Closure

Moisture-Resistant Top

Reclosable Closure

One-Piece Closure

Rotor-Type Dispenser

Injection Molding Machine

62 patents: Sort by Forward Citations

1. 11548699 - Sift-resistant dispensing closure (2023-01-10),

2. 10589909 - Sift-resistant dispensing closure (2020-03-17),

3. 10421597 - Pill shelf flip cap closure (2019-09-24),

4. 10173811 - Dual hinge flip cap closure (2019-01-08),

5. 9371162 - One-piece dispensing closure (2016-06-21),

6. 9327883 - Full open disk dispensing closure (2016-05-03),

7. 9321567 - Closure with tamper evident push-pull tether (2016-04-26),

8. D731303 - One-piece container with lid (2015-06-09),

9. 8833584 - Closure with utensil retention mechanism (2014-09-16),

10. 8720748 - Full open disk dispensing closure (2014-05-13),

11. 8550313 - Sift-resistant dispensing closure (2013-10-08),

12. 8448798 - Dispensing closure with pliable sealing surface (2013-05-28),

13. D634198 - Dispensing closure for pourable material (2011-03-15),

14. D628893 - Dispensing closure (2010-12-14),

15. D628892 - Dispensing closure (2010-12-14),

Weatherchem Corporation is a leading supplier of high-quality plastic packaging solutions for the food, beverage, and industrial markets. With over 40 years of experience, they specialize in the design and manufacturing of closures, dispensing and packaging components. Weatherchem's innovative products include patented Flapper® closures and Spice-Sifters™ dispensing closures which are widely recognized and trusted by many industry-leading brands.

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

Company Badge

USPTO Data Jan 1 1976 - Sep 15 2026

62 Patents

#3 in Twinsburg, OH

#261 in Ohio

#5,836 in US

#11,746 in the World

Twinsburg, OH, United States of America

Weatherchem Corporation

Forward Citations = 2,928

33 inventors:

Barry Michael Daggett (19 out of 23 patents)

Brian David Groubert (15 out of 15 patents)

Michael J Forsyth (12 out of 13 patents)

4. Anna Frolova-Levi (8 out of 8 patents)

5. Douglas S Martin (7 out of 16 patents)

Please report any incorrect information to [email protected]

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