Growing community of inventors

Madison, WI, United States of America

David E Lutzke

Average Co-Inventor Count = 1.32

ph-index = 8

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 = 206

David E LutzkeCharles S Ramsey (2 patents)David E LutzkeFerdinand F Salzmann (1 patent)David E LutzkeNeil L Brown (1 patent)David E LutzkeErnest D LaBarre (1 patent)David E LutzkeTheodore Danube (1 patent)David E LutzkeDavid E Lutzke (11 patents)Charles S RamseyCharles S Ramsey (14 patents)Ferdinand F SalzmannFerdinand F Salzmann (17 patents)Neil L BrownNeil L Brown (8 patents)Ernest D LaBarreErnest D LaBarre (4 patents)Theodore DanubeTheodore Danube (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Fiskars Finland Oy Ab (7 from 483 patents)

2. Other (4 from 832,718 patents)


11 patents:

1. 7497368 - Universal mounting assembly

2. 7185803 - Mailbox mounting assembly

3. D353087 - Scissors

4. D350466 - Scissors handle

5. 5337449 - Handgrip for link chain

6. D347771 - Tree pruner hook

7. D343773 - Tree pruner hook

8. 5267400 - Serrated shears

9. 5241752 - Pruning tool

10. D336835 - Tree pruner hook

11. 5216780 - Handgrip for link chain

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idiyas.com
as of
12/10/2025
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