Growing community of inventors

Cincinnati, OH, United States of America

John A Helmsderfer

Average Co-Inventor Count = 1.28

ph-index = 16

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 = 802

John A HelmsderferDavid Memke (6 patents)John A HelmsderferGreg J Lee (4 patents)John A HelmsderferBrian Tomcany (3 patents)John A HelmsderferNicholas Jeffers (3 patents)John A HelmsderferNathan Maggard (3 patents)John A HelmsderferAndrew Ahr (3 patents)John A HelmsderferYani Deros (2 patents)John A HelmsderferCraig Charles Ovans (2 patents)John A HelmsderferFlorin Ababei (2 patents)John A HelmsderferAlex Androski (2 patents)John A HelmsderferStuart McDowell (2 patents)John A HelmsderferT Michael McRoberts (1 patent)John A HelmsderferNothan Maggard (0 patent)John A HelmsderferJohn A Helmsderfer (54 patents)David MemkeDavid Memke (6 patents)Greg J LeeGreg J Lee (8 patents)Brian TomcanyBrian Tomcany (5 patents)Nicholas JeffersNicholas Jeffers (4 patents)Nathan MaggardNathan Maggard (3 patents)Andrew AhrAndrew Ahr (3 patents)Yani DerosYani Deros (36 patents)Craig Charles OvansCraig Charles Ovans (15 patents)Florin AbabeiFlorin Ababei (2 patents)Alex AndroskiAlex Androski (2 patents)Stuart McDowellStuart McDowell (2 patents)T Michael McRobertsT Michael McRoberts (1 patent)Nothan MaggardNothan Maggard (0 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Other (32 from 832,680 patents)

2. Partners in Innovation Limited, LLC (7 from 12 patents)

3. Mcguire Manufacturing Co., Inc. (3 from 5 patents)

4. Helmsderfer; John A. (3 from 3 patents)

5. Truebro Inc. (2 from 16 patents)

6. Brocar Products, Inc. (1 from 1 patent)


54 patents:

1. 10757872 - Multi-functional and modular tree removal and maintenance apparatus and related methods

2. 10525487 - Garden watering device

3. D827090 - Lawn and garden sprinkler

4. D825716 - Sprinkler with fold-out legs

5. 9724708 - Garden watering device

6. 9597699 - Water flow metering device

7. 8910887 - Garden watering device

8. 8739843 - Multi-functional and modular tree removal and maintenance apparatus and related methods

9. 7426765 - Baby diaper changing station

10. 7426761 - Patient immobilization device

11. 7260859 - Baby diaper changing station

12. 7165278 - Patient immobilization device

13. 7036167 - Patient immobilization device

14. 6859966 - Baby diaper changing station

15. 6619734 - Child support device with displaceable seat element

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as of
12/5/2025
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