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For the Inventor, By the Inventor

Franklin Park, IL, United States of America

Life Fitness, LLC


USPTO Granted Patents = 58



Trademarks = 38

Forward Citations = 1,614

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91 inventors (with patents filed for the assignee):

goldMedal Donald J Alexander (7 out of 11 patents)

silverMedal Matthew P Blum (6 out of 14 patents)

bronzeMedal John M Rogus (5 out of 13 patents)

4.  Wayne T Brezovar (5 out of 7 patents)

5.  Vincent C Adams (4 out of 14 patents)

6.  Eugene B Szymczak (4 out of 8 patents)

7.  David J Thum (4 out of 4 patents)

8.  Tomas F Leon (4 out of 5 patents)

9.  Cory H Lazar (3 out of 6 patents)

10.  Zhi Lu (3 out of 15 patents)

11.  Emil S Golen, Jr (3 out of 11 patents)

12.  Kenneth F Lantz (3 out of 12 patents)

13.  Richard E Skowronski (3 out of 25 patents)

14.  George Kolomayets (3 out of 17 patents)

15.  Peter Kanakaris (3 out of 3 patents)


Core Competencies:
Exercise Machines
Leg Strengthening
Noise Abatement
Weight Machine Sensors
Elliptical Striding Motion
Resistance Training
Stationary Rowing Machine
Dumbbell
Exercise Ball
Treadmill Technology
Cable Systems
Physical Exercise Video

58 patents:

1. D1107144 - Dumbbell (2025-12-23),
2. 12458843 - Exercise machines and methods for controlling exercise machines to assist in targeting a muscle (2025-11-04),
3. 12420140 - Exercise apparatuses for leg strengthening (2025-09-23),
4. 12337208 - Noise abatement for fitness machines (2025-06-24),
5. 12311220 - Weight machine sensor system (2025-05-27),
6. 12290736 - Input assemblies for exercise machines and methods of assembling input assemblies for exercise machines (2025-05-06),
7. 12070651 - Systems and methods for adjusting a stiffness of fitness machines (2024-08-27),
8. 12011638 - Exercise machines for facilitating elliptical striding motion (2024-06-18),
9. 11944866 - Exercise machines having adjustable elliptical striding motion (2024-04-02),
10. 11865428 - Systems and methods for guiding user control of fitness machines (2024-01-09),
11. 11865400 - Exercise machines having synchronizing clutch mechanism (2024-01-09),
12. D998732 - Frame for a treadmill (2023-09-12),
13. 11745048 - Bi-directional exercise machines (2023-09-05),
14. D988440 - Frame for a treadmill (2023-06-06),
15. 11596827 - Bi-directional exercise machines (2023-03-07),
Life Fitness, LLC is a global leader in manufacturing commercial fitness equipment. With over 50 years of experience, Life Fitness offers a wide range of cardio and strength training products for gyms, wellness centers, and individual users. The company's innovative designs, cutting-edge technology, and commitment to quality ensure their equipment delivers superior performance and durability. Life Fitness aims to inspire healthier lives by providing fitness solutions that enable individuals to reach their health and fitness goals.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 30 2025

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58 Patents

#8 in Franklin Park, IL

#341 in Illinois

#5,985 in US

#12,103 in the World

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Franklin Park, IL, United States of America

Life Fitness, LLC

Forward Citations = 1,614

91 inventors:

goldMedal Donald J Alexander (7 out of 11 patents)

silverMedal Matthew P Blum (6 out of 14 patents)

bronzeMedal John M Rogus (5 out of 13 patents)

4.  Wayne T Brezovar (5 out of 7 patents)

5.  Vincent C Adams (4 out of 14 patents)

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