Growing community of inventors

Columbus, OH, United States of America

Johannes Hertrich

Average Co-Inventor Count = 6.00

ph-index = 5

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 = 71

Johannes HertrichPaul E Hsu (10 patents)Johannes HertrichDaniel Francis Wisniewski (10 patents)Johannes HertrichRyan R Berger (8 patents)Johannes HertrichChris W Cicenas (5 patents)Johannes HertrichPaul M Havlovitz (5 patents)Johannes HertrichJohn Joseph Knittle (5 patents)Johannes HertrichEric Glassner (5 patents)Johannes HertrichRyan Robert Berger (2 patents)Johannes HertrichJohannes Hertrich (10 patents)Paul E HsuPaul E Hsu (44 patents)Daniel Francis WisniewskiDaniel Francis Wisniewski (20 patents)Ryan R BergerRyan R Berger (74 patents)Chris W CicenasChris W Cicenas (43 patents)Paul M HavlovitzPaul M Havlovitz (42 patents)John Joseph KnittleJohn Joseph Knittle (19 patents)Eric GlassnerEric Glassner (5 patents)Ryan Robert BergerRyan Robert Berger (34 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Oms Investments, Inc. (10 from 180 patents)


10 patents:

1. 11490561 - Dual rotor spreader system

2. D959937 - Powered hand-held spreader

3. D956827 - Spreader

4. D936109 - Spreader

5. D909421 - Spreader

6. D893270 - Powered hand-held spreader

7. 10595458 - Powered hand-held spreader

8. D860261 - Spreader

9. D855421 - Powered hand-held spreader

10. D796922 - Powered hand-held spreader

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as of
1/4/2026
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