Growing community of inventors

Monroe, CT, United States of America

Duane E Langenwalter

Average Co-Inventor Count = 1.45

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 = 109

Duane E LangenwalterNing Xue (8 patents)Duane E LangenwalterBasil C Peyton (2 patents)Duane E LangenwalterDuane E Langenwalter (16 patents)Ning XueNing Xue (10 patents)Basil C PeytonBasil C Peyton (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Origin Point Brands, LLC (14 from 17 patents)

2. Garden Zone, LLC (2 from 2 patents)

3. Hebei Minmetals Co., Ltd (5 patents)


16 patents:

1. 11725414 - Modular fence system

2. 11542721 - Prefabricated modular fencing with advantageously-shaped connectors

3. D951082 - Smooth incurvate connector

4. D948330 - Faceted conoidal connector

5. D929610 - Fence post

6. D870543 - Post-fence connector

7. D825113 - Animal enclosure

8. 9995059 - Rackable fencing components optimized for preassembly shipping

9. D799931 - Handheld multi-tool with opposing roller and cutting blade

10. 9689177 - Rackable fencing of components optimized for preassembly shipping

11. 8931761 - Fencing system

12. 8833737 - Rackable fencing of components optimized for preassembly shipping

13. 8505880 - Fence rail support system

14. 8152141 - Decorative fencing system

15. 7676926 - Decorative fencing system

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as of
1/11/2026
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