Growing community of inventors

Naples, FL, United States of America

Elroy Edwin Bourgraf

Average Co-Inventor Count = 2.74

ph-index = 12

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 = 340

Elroy Edwin BourgrafIrvin D Pollock (7 patents)Elroy Edwin BourgrafRonald D Vance (3 patents)Elroy Edwin BourgrafRobert C Chinn (2 patents)Elroy Edwin BourgrafWilliam Harry Benedict (2 patents)Elroy Edwin BourgrafRichard H Ferneau (2 patents)Elroy Edwin BourgrafRobert E Dunn (2 patents)Elroy Edwin BourgrafEugene Van Dyne (2 patents)Elroy Edwin BourgrafWarren Dale Sutton (2 patents)Elroy Edwin BourgrafEugene VanDyne (2 patents)Elroy Edwin BourgrafKenneth R Self (2 patents)Elroy Edwin BourgrafJohn C Coons (1 patent)Elroy Edwin BourgrafJerry L Taylor (1 patent)Elroy Edwin BourgrafJohn R Zellner (1 patent)Elroy Edwin BourgrafElroy Edwin Bourgraf, Jr (1 patent)Elroy Edwin BourgrafAbe Arnold (1 patent)Elroy Edwin BourgrafKenneth R Berta (1 patent)Elroy Edwin BourgrafIrvin Pollock (0 patent)Elroy Edwin BourgrafElroy Edwin Bourgraf (14 patents)Irvin D PollockIrvin D Pollock (11 patents)Ronald D VanceRonald D Vance (6 patents)Robert C ChinnRobert C Chinn (41 patents)William Harry BenedictWilliam Harry Benedict (8 patents)Richard H FerneauRichard H Ferneau (8 patents)Robert E DunnRobert E Dunn (6 patents)Eugene Van DyneEugene Van Dyne (4 patents)Warren Dale SuttonWarren Dale Sutton (3 patents)Eugene VanDyneEugene VanDyne (3 patents)Kenneth R SelfKenneth R Self (2 patents)John C CoonsJohn C Coons (19 patents)Jerry L TaylorJerry L Taylor (9 patents)John R ZellnerJohn R Zellner (5 patents)Elroy Edwin Bourgraf, JrElroy Edwin Bourgraf, Jr (4 patents)Abe ArnoldAbe Arnold (3 patents)Kenneth R BertaKenneth R Berta (3 patents)Irvin PollockIrvin Pollock (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ferno-washington, Inc. (13 from 151 patents)

2. Other (1 from 832,891 patents)


14 patents:

1. 8534732 - Combination cot loading and fastening system for loading and unloading a cot

2. 8444195 - Combination cot loading and fastening system

3. 8104121 - Combination ambulance cot and chair

4. 7581265 - Roll-in chair cot with three cot height positions

5. 7302718 - Multiple level roll-in cot

6. 7131151 - Multiple level roll-in cot

7. 6681424 - Tilt-top mortuary cot

8. 6381781 - Combination ambulance cot and chair

9. 5435027 - Roll-in cot with high ground clearance

10. D351018 - Bathtub for invalids

11. 4604022 - Trunk loading device for business machines and the like

12. 4369985 - One man cart for articles

13. 4251178 - Business machine cart with trunk loading attachment

14. 4037871 - Multiple purpose ambulance cot with removable stretcher top

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as of
1/1/2026
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