Growing community of inventors

Fredonia, PA, United States of America

Joseph C Dangrow

Average Co-Inventor Count = 3.77

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 = 150

Joseph C DangrowRobert D Beggs (8 patents)Joseph C DangrowDaniel C Mora (7 patents)Joseph C DangrowTek Lentine (7 patents)Joseph C DangrowBrent Sedlacek (7 patents)Joseph C DangrowThomas W Parker (5 patents)Joseph C DangrowDavid Andrew Winslow (5 patents)Joseph C DangrowJames J Grebinoski (5 patents)Joseph C DangrowAdam C Fields (4 patents)Joseph C DangrowSteve Woodward (3 patents)Joseph C DangrowTracee Leonardson (3 patents)Joseph C DangrowMichael A Somerfield (3 patents)Joseph C DangrowAdam C Field (3 patents)Joseph C DangrowRobert C Tiber (3 patents)Joseph C DangrowKyle G Astor (2 patents)Joseph C DangrowTroy A Johnson (2 patents)Joseph C DangrowDerek Bibler (2 patents)Joseph C DangrowShannon Brightbill (2 patents)Joseph C DangrowBrian Fisher (2 patents)Joseph C DangrowChristopher Ruppen (2 patents)Joseph C DangrowBrett A Latimer (1 patent)Joseph C DangrowDavid E Plotner (1 patent)Joseph C DangrowJohn J Fiumefreddo (1 patent)Joseph C DangrowRoy B Bendickson (1 patent)Joseph C DangrowRonald K Burig (1 patent)Joseph C DangrowChristine A Brown (1 patent)Joseph C DangrowSergio DeOliveira (1 patent)Joseph C DangrowSteven R Dings (1 patent)Joseph C DangrowDavid A Winslow (1 patent)Joseph C DangrowJoseph C Dangrow (25 patents)Robert D BeggsRobert D Beggs (36 patents)Daniel C MoraDaniel C Mora (18 patents)Tek LentineTek Lentine (15 patents)Brent SedlacekBrent Sedlacek (8 patents)Thomas W ParkerThomas W Parker (60 patents)David Andrew WinslowDavid Andrew Winslow (11 patents)James J GrebinoskiJames J Grebinoski (11 patents)Adam C FieldsAdam C Fields (5 patents)Steve WoodwardSteve Woodward (14 patents)Tracee LeonardsonTracee Leonardson (8 patents)Michael A SomerfieldMichael A Somerfield (5 patents)Adam C FieldAdam C Field (3 patents)Robert C TiberRobert C Tiber (3 patents)Kyle G AstorKyle G Astor (24 patents)Troy A JohnsonTroy A Johnson (23 patents)Derek BiblerDerek Bibler (3 patents)Shannon BrightbillShannon Brightbill (2 patents)Brian FisherBrian Fisher (2 patents)Christopher RuppenChristopher Ruppen (2 patents)Brett A LatimerBrett A Latimer (15 patents)David E PlotnerDavid E Plotner (9 patents)John J FiumefreddoJohn J Fiumefreddo (7 patents)Roy B BendicksonRoy B Bendickson (7 patents)Ronald K BurigRonald K Burig (4 patents)Christine A BrownChristine A Brown (4 patents)Sergio DeOliveiraSergio DeOliveira (2 patents)Steven R DingsSteven R Dings (2 patents)David A WinslowDavid A Winslow (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Werner Co. (24 from 214 patents)


25 patents:

1. 12398597 - Ladder and ladder top

2. 12392197 - Ladder, top and method

3. 11933106 - Ladder, foot and method

4. 11536087 - Stepladder having a ladder top with conduit holder slot and method

5. 11473318 - Interlocking work platform system and method

6. D935053 - Ladder

7. D905869 - Ladder top

8. 10801263 - Ladder with top for holding an impact driver and method

9. 10760337 - Ladder leveler and method

10. D887581 - Ladder top

11. 10612305 - Ladder, Top and Method

12. 10590703 - Ladder, top and method

13. 10494824 - Interlocking work platform system and method

14. 10458183 - Stepladder having a ladder top with conduit holder slot and method

15. D835807 - Ladder top

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as of
12/6/2025
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