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For the Inventor, By the Inventor

Owatonna, MN, United States of America

Powerblock Holdings, Inc.


USPTO Granted Patents = 35

% Expired Patents = 5.7


Trademarks = 6

Forward Citations = 340

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4 inventors (with patents filed for the assignee):

goldMedal Carl K Towley, Iii (29 out of 52 patents)

silverMedal Gregory Scott Olson (19 out of 44 patents)

bronzeMedal Mattson K Towley (6 out of 6 patents)

4.  Carl K Towley (1 out of 1 patent)

5.  Carl Iii Towley (0 patent)

6.  Carl K Iii Towley (0 patent)

7.  Carl K Iii Towley (0 patent)


Core Competencies:
Selectorized Dumbbell
Weight Selector
Dumbbell Supporting System
Kettlebell
Exercise Device
Weight Lifting
Shock Absorbing System
Add-On Weight Kit
Exercise Machine
Exercise Equipment Frame
Nested Weights
Tool Free Assembly

35 patents:

1. 12491423 - Dumbbell supporting system (2025-12-09),
2. 12029958 - Dumbbell supporting system (2024-07-09),
3. 11944863 - Dumbbell system (2024-04-02),
4. 11918841 - Set of dumbbells (2024-03-05),
5. 11471721 - Set of dumbbells (2022-10-18),
6. 11110315 - Knock down selectorized dumbbell having fastener and tool free assembly of nested weights (2021-09-07),
7. 10953264 - Dumbbell handle having a dislodgement preventing interface with the weight selector of a selectorized dumbbell (2021-03-23),
8. 10864403 - Selectorized dumbbell with a weight selector having a continuous periphery that encloses an open interior (2020-12-15),
9. 10792530 - Set of dumbbells (2020-10-06),
10. 10722746 - Exercise device having sled or wheelbarrow configuration (2020-07-28),
11. 10702732 - Knock down selectorized dumbbell having fastener and tool free assembly of nested weights (2020-07-07),
12. 10307633 - Exercise device having sled or wheelbarrow configuration (2019-06-04),
13. 10166431 - Selectorized dumbbell with a weight selector having a continuous periphery that encloses an open interior (2019-01-01),
14. 10035037 - Selectorized dumbbell having kettlebell style handle (2018-07-31),
15. 10010742 - Selectorized dumbbell with a weight selector having a continuous periphery that encloses an open interior (2018-07-03),
Powerblock Holdings, Inc. is a company based in Owatonna, Minnesota, specializing in innovative fitness equipment solutions. The organization is known for its development and manufacturing of adjustable dumbbells and strength training systems that cater to both home and commercial fitness markets. Powerblock focuses on enhancing workout efficiency and convenience through its unique designs, making strength training accessible and effective for users of varying fitness levels. The company emphasizes quality and user experience in its product offerings.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

35 Patents

#6 in Owatonna, MN

#273 in Minnesota

#9,736 in US

#19,137 in the World

Owatonna, MN (US)
Owatonna, MN, United States of America

Powerblock Holdings, Inc.

Forward Citations = 340

4 inventors:

goldMedal Carl K Towley, Iii (29 out of 52 patents)

silverMedal Gregory Scott Olson (19 out of 44 patents)

bronzeMedal Mattson K Towley (6 out of 6 patents)

4.  Carl K Towley (1 out of 1 patent)

5.  Carl Iii Towley (0 patent)

Please report any incorrect information to [email protected]
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