Growing community of inventors

Thousand Oaks, CA, United States of America

Richard A Sikra

Average Co-Inventor Count = 1.16

ph-index = 6

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 = 154

Richard A SikraDonald G Lombardi (4 patents)Richard A SikraJohn J Good (2 patents)Richard A SikraRuben Steinhauser (2 patents)Richard A SikraScott J Donnell (1 patent)Richard A SikraRichard A Sikra (33 patents)Donald G LombardiDonald G Lombardi (52 patents)John J GoodJohn J Good (12 patents)Ruben SteinhauserRuben Steinhauser (10 patents)Scott J DonnellScott J Donnell (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Drum Workshop, Inc. (31 from 98 patents)

2. Other (2 from 832,718 patents)


33 patents:

1. 11037536 - Direct drive percussion pedal system

2. 10943571 - Mini hi-hat pedal system

3. 10867589 - Percussion pedal system

4. 10832642 - Drum pedal with features for adjustment of chain or similar device

5. 10825430 - Drum pedal with adjustment features

6. 10737369 - Nut devices for instrument stand

7. 10699681 - Transportable drum kit

8. 10249272 - Percussion instrument with adjustable auxiliary device

9. 10152955 - Percussion pedal assembly

10. 9928815 - Drum pedal with interlocking features

11. 9721549 - Drum stand basket with spring adjustment and other features

12. 9640154 - Hi-hat pedal assembly

13. 9601096 - Cymbal holder with slotted threads and plunger

14. 9589546 - Drum pedal with adjustment features

15. 9472174 - Drum pedal with interlocking features

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idiyas.com
as of
12/9/2025
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