C.E. Niehoff & Co.
Records under this name other than the patents C.E. Niehoff & Co. 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 21 patents it holds.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US D665,353 | Battery isolator device Term ended Term ended Aug 14, 2026 · From the USPTO record | Term ended | Term ended Aug 14, 2026 | From the USPTO record |
| US D650,332 | Electric generator Term ended Term ended Dec 13, 2025 · From the USPTO record | Term ended | Term ended Dec 13, 2025 | From the USPTO record |
| US 7,692,413 | Power control system and method Term ended Term ended Sep 23, 2025 · From the USPTO record | Term ended | Term ended Sep 23, 2025 | From the USPTO record |
| US 7,944,185 | Power control system and method Term ended Term ended Sep 23, 2025 · From the USPTO record | Term ended | Term ended Sep 23, 2025 | From the USPTO record |
| US 7,944,186 | Power control system and method Term ended Term ended Sep 23, 2025 · From the USPTO record | Term ended | Term ended Sep 23, 2025 | From the USPTO record |
| US 7,352,157 | Voltage regulator with improved protection and warning system Term ended Term ended Jun 22, 2025 · From the USPTO record | Term ended | Term ended Jun 22, 2025 | From the USPTO record |
| US 7,397,224 | Voltage regulator with improved protection and warning system Term ended Term ended Jun 22, 2025 · From the USPTO record | Term ended | Term ended Jun 22, 2025 | From the USPTO record |
| US 7,157,806 | System and method for controlling and distributing electrical energy in a vehicle Term ended Term ended Jan 20, 2025 · From the USPTO record | Term ended | Term ended Jan 20, 2025 | From the USPTO record |
| US D624,494 | Battery isolator device Term ended Term ended Sep 28, 2024 · From the USPTO record | Term ended | Term ended Sep 28, 2024 | From the USPTO record |
| US D618,615 | Electric generator Term ended Term ended Jun 29, 2024 · From the USPTO record | Term ended | Term ended Jun 29, 2024 | From the USPTO record |