Tomoe Engineering Co., Ltd.
Records under this name other than the patents Tomoe Engineering Co., Ltd. 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 8 patents it holds.
Back to Tomoe Engineering Co., Ltd.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 8,652,021 | Decanter-type centrifugal separator equipped with continuous lubricant supply device including an oil collector configured to revolve in a predetermined direction causing the lubricant to flow into the lubricant supply path Lapsed on the fee record Ended Feb 18, 2026 · From the USPTO record | Lapsed on the fee record | Ended Feb 18, 2026 | From the USPTO record |
| US 7,670,276 | Decanter type centrifugal separator with torque transmission mechanism Term ended Term ended Jan 20, 2026 · From the USPTO record | Term ended | Term ended Jan 20, 2026 | From the USPTO record |
| US 8,529,425 | Horizontal centrifugal separator in which the hermeticity of a casing is improved by using a sealing element having a simple structure Lapsed on the fee record Ended Sep 10, 2025 · From the USPTO record | Lapsed on the fee record | Ended Sep 10, 2025 | From the USPTO record |
| US 9,238,233 | Centrifugal separator with shaft sealing mechanism for a centrifugal separation bowl rotatable within a casing Lapsed on the fee record Ended Jan 19, 2020 · From the USPTO record | Lapsed on the fee record | Ended Jan 19, 2020 | From the USPTO record |
| US 9,212,076 | Sludge processing system and storage medium storing a program for controlling operation of a sludge processing system based on moisture content of concentrated sludge Lapsed on the fee record Ended Dec 15, 2019 · From the USPTO record | Lapsed on the fee record | Ended Dec 15, 2019 | From the USPTO record |
| US 9,206,064 | Sludge processing system and storage medium storing a program for controlling operation of a sludge processing system based on correlation between moisture content of concentrated sludge, centrifugal force, and concentrated sludge convey torque Lapsed on the fee record Ended Dec 8, 2019 · From the USPTO record | Lapsed on the fee record | Ended Dec 8, 2019 | From the USPTO record |
| US 9,005,097 | Vertical centrifugal separator Lapsed on the fee record Ended Apr 14, 2019 · From the USPTO record | Lapsed on the fee record | Ended Apr 14, 2019 | From the USPTO record |
| US 7,140,494 | Centrifugal Machine Lapsed on the fee record Ended Nov 28, 2018 · High confidence | Lapsed on the fee record | Ended Nov 28, 2018 | High confidence |
| US 6,475,131 | Method of cleaning rotary drum of horizontal drum-type centrifugal separator using a solid cleaning medium Lapsed on the fee record Ended Nov 5, 2010 · From the USPTO record | Lapsed on the fee record | Ended Nov 5, 2010 | From the USPTO record |
| US 6,478,163 | Decanter type centrifugal separator Lapsed on the fee record Ended Nov 12, 2006 · From the USPTO record | Lapsed on the fee record | Ended Nov 12, 2006 | From the USPTO record |