Growing community of inventors

Madison, WI, United States of America

Doug Birkholz

Average Co-Inventor Count = 2.21

ph-index = 10

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 = 158

Doug BirkholzBrian Neeley (4 patents)Doug BirkholzClay Mehnert (4 patents)Doug BirkholzSean T Petersen (2 patents)Doug BirkholzKevin L Parsons (1 patent)Doug BirkholzStephen B Leonard (1 patent)Doug BirkholzEvan A Sparks (1 patent)Doug BirkholzDavid P Mather (1 patent)Doug BirkholzJames C Boda (1 patent)Doug BirkholzJeffrey L Crull (1 patent)Doug BirkholzEdward J Kunesh (1 patent)Doug BirkholzRobert Sylvester Hinds (1 patent)Doug BirkholzTimothy R Ordiway (1 patent)Doug BirkholzJohn Jeffrey Stephenson (1 patent)Doug BirkholzRobert A Seaton (1 patent)Doug BirkholzGlenn Polinsky (1 patent)Doug BirkholzDavid Christian Eby (1 patent)Doug BirkholzLeslie Allen Wagner (1 patent)Doug BirkholzSteve Dieter (1 patent)Doug BirkholzRay Rollins (1 patent)Doug BirkholzTheodore Jach (1 patent)Doug BirkholzRyan McCoy (1 patent)Doug BirkholzBrandon Grayson Hall (1 patent)Doug BirkholzDavid C Eby (0 patent)Doug BirkholzDoug Birkholz (14 patents)Brian NeeleyBrian Neeley (11 patents)Clay MehnertClay Mehnert (4 patents)Sean T PetersenSean T Petersen (15 patents)Kevin L ParsonsKevin L Parsons (173 patents)Stephen B LeonardStephen B Leonard (51 patents)Evan A SparksEvan A Sparks (39 patents)David P MatherDavid P Mather (39 patents)James C BodaJames C Boda (38 patents)Jeffrey L CrullJeffrey L Crull (37 patents)Edward J KuneshEdward J Kunesh (33 patents)Robert Sylvester HindsRobert Sylvester Hinds (33 patents)Timothy R OrdiwayTimothy R Ordiway (20 patents)John Jeffrey StephensonJohn Jeffrey Stephenson (20 patents)Robert A SeatonRobert A Seaton (15 patents)Glenn PolinskyGlenn Polinsky (15 patents)David Christian EbyDavid Christian Eby (13 patents)Leslie Allen WagnerLeslie Allen Wagner (8 patents)Steve DieterSteve Dieter (8 patents)Ray RollinsRay Rollins (6 patents)Theodore JachTheodore Jach (4 patents)Ryan McCoyRyan McCoy (2 patents)Brandon Grayson HallBrandon Grayson Hall (2 patents)David C EbyDavid C Eby (0 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Integra Lifesciences Corporation (4 from 75 patents)

2. S. C. Johnson Son, Inc. (3 from 2,353 patents)

3. Maui Innovative Peripherals, Inc. (2 from 4 patents)

4. Other (1 from 832,680 patents)

5. Fiskars Brands, Inc. (1 from 376 patents)

6. Armament Systems and Procedures, Inc. (1 from 161 patents)

7. The C.h. Hanson Company (1 from 3 patents)

8. Centurion Garden and Outdoor Living (1 from 1 patent)


14 patents:

1. D961505 - Battery charger

2. D946505 - Battery charger

3. D889395 - Battery

4. D889410 - Battery holster

5. 9138908 - Material trimmer with cut-line indicator

6. 8480549 - Versatile exercise bars and handles

7. D681418 - Cartridge utility knife

8. D642440 - Rake head

9. D583903 - Bottle holder

10. D568743 - Overcap

11. D471087 - Aerosol dispenser

12. D468720 - 3D navigation headset

13. D457447 - Monitor module for a 3D navigation headset

14. D435209 - Cutting device

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idiyas.com
as of
12/5/2025
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