Growing community of inventors

Cogan Station, PA, United States of America

Robert L Crevling

Average Co-Inventor Count = 2.47

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 = 183

Robert L CrevlingJohn Griffin (10 patents)Robert L CrevlingCraig A Seasholtz (5 patents)Robert L CrevlingKevin D Fry (5 patents)Robert L CrevlingRobert C Berfield (2 patents)Robert L CrevlingJason S Gottschall (2 patents)Robert L CrevlingJonathan Miller (1 patent)Robert L CrevlingMark E Baer (1 patent)Robert L CrevlingDavid M Martinez (1 patent)Robert L CrevlingMatthew S Kepner (1 patent)Robert L CrevlingCory F Girton (1 patent)Robert L CrevlingMelvin E Wolfe (1 patent)Robert L CrevlingRobert L Crevling (14 patents)John GriffinJohn Griffin (156 patents)Craig A SeasholtzCraig A Seasholtz (68 patents)Kevin D FryKevin D Fry (43 patents)Robert C BerfieldRobert C Berfield (146 patents)Jason S GottschallJason S Gottschall (38 patents)Jonathan MillerJonathan Miller (5 patents)Mark E BaerMark E Baer (10 patents)David M MartinezDavid M Martinez (27 patents)Matthew S KepnerMatthew S Kepner (3 patents)Cory F GirtonCory F Girton (2 patents)Melvin E WolfeMelvin E Wolfe (9 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Shop Vac Corporation (14 from 411 patents)


14 patents:

1. D644801 - Vacuum cleaner

2. D640024 - Vacuum cleaner

3. D638180 - Vacuum cleaner

4. D637778 - Vacuum cleaner

5. D631627 - Vacuum cleaner

6. D631216 - Vacuum cleaner

7. D623812 - Vacuum cleaner

8. 6938299 - Wet-dry vacuum cleaner with securely nestable tool holder and basket

9. 6610952 - Vacuum cleaner actuator switch

10. D473024 - Blower

11. D470279 - Vacuum cleaner with detachable blower

12. D469934 - Vacuum cleaner with detachable blower

13. 6451078 - Fitting for vacuum bags

14. 4616378 - Means for mounting floor pickup nozzle to dolly for vacuum cleaner

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as of
12/28/2025
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