Drum Workshop, Inc.
Records under this name other than the patents Drum Workshop, Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned. None of them is counted in the 52 patents it holds.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,468,480 | Dual Drum Support and Positioning now held by Gon Bops Inc. In force · High confidence | In force | High confidence | |
| US 7,399,916 | Percussion Cow-Bell Holder Apparatus now held by Gon Bops Inc. In force · High confidence | In force | High confidence | |
| US 8,237,039 | Adjustable Wing Nut-Less Cymbal Mount now held by Reliance International Corp. In force · High confidence | In force | High confidence | |
| US 7,348,478 | Tambourine Connection to Support Structure now held by Gon Bops Inc. Term ended Term ended Oct 26, 2026 · High confidence | Term ended | Term ended Oct 26, 2026 | High confidence |
| US 7,351,902 | Cymbals Remote Actuation Detachment Means Term ended Term ended Sep 28, 2026 · High confidence | Term ended | Term ended Sep 28, 2026 | High confidence |
| US 7,385,126 | Drum Support Pads now held by Gon Bops Inc. Term ended Term ended Sep 15, 2026 · High confidence | Term ended | Term ended Sep 15, 2026 | High confidence |
| US 7,365,258 | Sound Box with External and Internal Impact Surfaces now held by Gon Bops Inc. Term ended Term ended Aug 2, 2026 · High confidence | Term ended | Term ended Aug 2, 2026 | High confidence |
| US 7,348,479 | Drum Beating Practice Assembly Term ended Term ended May 14, 2026 · High confidence | Term ended | Term ended May 14, 2026 | High confidence |
| US 7,410,136 | Percussion Instrument Clamping Support now held by Gon Bops Inc. Term ended Term ended Dec 13, 2025 · High confidence | Term ended | Term ended Dec 13, 2025 | High confidence |
| US 7,395,994 | Quick Release Percussion Instrument Arm Adapter Term ended Term ended Nov 17, 2025 · High confidence | Term ended | Term ended Nov 17, 2025 | High confidence |