IDiyas

For the Inventor, By the Inventor

Twinsburg, OH, United States of America

Weatherchem Corporation


USPTO Granted Patents = 62



Trademarks = 10

Forward Citations = 2,846

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33 inventors (with patents filed for the assignee):

goldMedal Barry Michael Daggett (19 out of 23 patents)

silverMedal Brian David Groubert (15 out of 15 patents)

bronzeMedal 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
Sift-resistant Closure
Child-resistant Cap
Liquid Dispensing Cap
Tamper-evident Closure
Pliable Sealing Surface
Dual Hinge Flip Cap
One-piece Closure
Utensil Retention Mechanism
Moisture-resistant Top
Combined Container and Closure
Rotor-type Dispenser

62 patents:

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.

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USPTO Data Jan 1 1976 - Dec 9 2025

62 Patents

#3 in Twinsburg, OH

#245 in Ohio

#5,619 in US

#11,340 in the World

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Twinsburg, OH, United States of America

Weatherchem Corporation

Forward Citations = 2,846

33 inventors:

goldMedal Barry Michael Daggett (19 out of 23 patents)

silverMedal Brian David Groubert (15 out of 15 patents)

bronzeMedal 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)

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