Growing community of inventors

Greenville, PA, United States of America

Frederick J Bartnicki

Average Co-Inventor Count = 3.18

ph-index = 9

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 = 267

Frederick J BartnickiRobert D Beggs (7 patents)Frederick J BartnickiEdward E Heald (5 patents)Frederick J BartnickiDonald M Werner (5 patents)Frederick J BartnickiHarold L Bernard (4 patents)Frederick J BartnickiMitchell H Hetrich (3 patents)Frederick J BartnickiDavid E Plotner (3 patents)Frederick J BartnickiRichard P Sulecki (3 patents)Frederick J BartnickiRandall P Bell (2 patents)Frederick J BartnickiJames Hand (2 patents)Frederick J BartnickiDale R King (2 patents)Frederick J BartnickiJohn J Dylik (2 patents)Frederick J BartnickiKevin L McIntire (1 patent)Frederick J BartnickiFrancis W MacGregor (1 patent)Frederick J BartnickiLauren S Sherbondy (1 patent)Frederick J BartnickiFrederick J Bartnicki (13 patents)Robert D BeggsRobert D Beggs (37 patents)Edward E HealdEdward E Heald (8 patents)Donald M WernerDonald M Werner (5 patents)Harold L BernardHarold L Bernard (6 patents)Mitchell H HetrichMitchell H Hetrich (11 patents)David E PlotnerDavid E Plotner (9 patents)Richard P SuleckiRichard P Sulecki (3 patents)Randall P BellRandall P Bell (39 patents)James HandJames Hand (6 patents)Dale R KingDale R King (5 patents)John J DylikJohn J Dylik (3 patents)Kevin L McIntireKevin L McIntire (8 patents)Francis W MacGregorFrancis W MacGregor (7 patents)Lauren S SherbondyLauren S Sherbondy (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Werner Co. (7 from 217 patents)

2. R. D. Werner Co., Inc. (6 from 21 patents)


13 patents:

1. 6142255 - Ladder, member for connecting a rail to a horizontal element of a

2. D422717 - Ladder top

3. D413990 - Front face of a ladder top

4. 5791439 - Ladder, member for connecting a rail to a horizontal element of a

5. 5636706 - Ladder, member for connecting a rail to a horizontal element of a

6. 5573081 - Ladder top with bail recess

7. 5366051 - Hollow plastic ladder

8. 5358070 - Ladder top

9. 5259480 - Ladder top

10. D340773 - Ladder top

11. D340291 - Ladder pail shelf

12. 5131495 - Hollow plastic ladder

13. 5067589 - Extendable support

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as of
1/1/2026
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