Growing community of inventors

Salt Lake City, UT, United States of America

David J Ludlow

Average Co-Inventor Count = 1.59

ph-index = 7

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 125

David J LudlowStephen M Fleischer (5 patents)David J LudlowRichard Alex Eddington (3 patents)David J LudlowMarvin Hinckley Howell (2 patents)David J LudlowMichael John Adams (1 patent)David J LudlowAlan L Robins (1 patent)David J LudlowTrent L Taylor (1 patent)David J LudlowDerrick P Christman (1 patent)David J LudlowDavid J Ludlow (10 patents)Stephen M FleischerStephen M Fleischer (6 patents)Richard Alex EddingtonRichard Alex Eddington (12 patents)Marvin Hinckley HowellMarvin Hinckley Howell (2 patents)Michael John AdamsMichael John Adams (5 patents)Alan L RobinsAlan L Robins (1 patent)Trent L TaylorTrent L Taylor (1 patent)Derrick P ChristmanDerrick P Christman (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Other (5 from 832,912 patents)

2. Bullfrog International, Lc (5 from 35 patents)


10 patents:

1. 8881321 - Spa construction and installation system

2. 8869469 - In-ground spa installation

3. 8661576 - Spas and bathing systems with upgradeable and interchangeable jet stations

4. 7908684 - Spas and bathing systems with upgradeable and interchangeable jet stations

5. 6543067 - Integrated manifold system for spas

6. 6256805 - Modular system for spas and bathing systems

7. 6092246 - Plumbing and shell system for spa

8. 5987663 - Modular system for spas and bathing systems

9. 5754989 - Plumbing and shell system for spa

10. 5474673 - Top mounted biological filtration system for an aquarium

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idiyas.com
as of
1/10/2026
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