Parkell, Inc.
Records under this name other than the patents Parkell, 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 4 patents it holds.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 8,491,300 | Ultrasonic Dental Tool Having a Light Source Lapsed on the fee record Ended Jul 23, 2025 · Medium confidence | Lapsed on the fee record | Ended Jul 23, 2025 | Medium confidence |
| US 7,104,794 | Ultrasonic Dental Tool Having a Light Source Term ended Term ended Jun 28, 2024 · High confidence | Term ended | Term ended Jun 28, 2024 | High confidence |
| US 7,044,736 | Ultrasonic Dental Insert Having a Hand Grip Fitted to a Retaining Ring Term ended Term ended Dec 12, 2023 · High confidence | Term ended | Term ended Dec 12, 2023 | High confidence |
| US 8,613,617 | Ultrasonic Dental Tool Having a Light Source Lapsed on the fee record Ended Dec 24, 2021 · Medium confidence | Lapsed on the fee record | Ended Dec 24, 2021 | Medium confidence |
| US 7,530,809 | Ultrasonic Dental Handpiece Having a Rotatable Head Lapsed on the fee record Ended May 12, 2021 · High confidence | Lapsed on the fee record | Ended May 12, 2021 | High confidence |
| US 6,190,167 | Ultrasonic dental scaler selectively tunable either manually or automatically Term ended Term ended Mar 23, 2018 · From the USPTO record | Term ended | Term ended Mar 23, 2018 | From the USPTO record |
| US 6,086,369 | Ultrasonic dental scaler insert Term ended Term ended Jan 13, 2017 · From the USPTO record | Term ended | Term ended Jan 13, 2017 | From the USPTO record |
| US 7,217,128 | Ultrasonic Dental Insert Having Interchangeable Plastic and Metal Tips Lapsed on the fee record Ended May 15, 2015 · High confidence | Lapsed on the fee record | Ended May 15, 2015 | High confidence |
| US 6,457,974 | Intraoral dental abrading instrument Lapsed on the fee record Ended Oct 1, 2014 · From the USPTO record | Lapsed on the fee record | Ended Oct 1, 2014 | From the USPTO record |
| US 6,485,303 | Intraoral dental abrading instrument Lapsed on the fee record Ended Nov 26, 2006 · From the USPTO record | Lapsed on the fee record | Ended Nov 26, 2006 | From the USPTO record |