Average Co-Inventor Count = 1.43
ph-index = 4
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.
Company Filing History:
1. Gewa Music Gmbh (6 from 8 patents)
2. Drum Workshop, Inc. (3 from 98 patents)
3. Other (1 from 832,966 patents)
10 patents:
1. 10984767 - Drum with self-aligning snare
2. 10737369 - Nut devices for instrument stand
3. 10679591 - Trigger tray for percussion instrument
4. 10657944 - Electronic cymbal assembly and components thereof
5. 10121459 - Musical instrument case
6. 9721549 - Drum stand basket with spring adjustment and other features
7. 9299328 - Tilter for a stand, in particular a cymbal stand
8. 8633367 - Variable beater for drums
9. 8395039 - Snare drum stand with self-adjusting bracket size
10. 8163988 - Snare tension device