Maintech Co., Ltd.

Also on record

Records under this name other than the patents Maintech 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 12 patents it holds.

Showing 1 to 8 of 8 · Back to Maintech Co., Ltd.

Patent	Title	Status	Expires	Confidence
US 7,585,393	Anti-staining agent for paper machine, and method for preventing stains using the same Term ended Term ended Sep 3, 2023 · From the USPTO record	Term ended	Term ended Sep 3, 2023	From the USPTO record
US 8,883,890	Crepe agent composition and method for producing crepe paper Lapsed on the fee record Ended Nov 11, 2022 · From the USPTO record	Lapsed on the fee record	Ended Nov 11, 2022	From the USPTO record
US 7,144,478	Pollution Control Method for Cylindrical Dryer Used in Paper Machine Term ended Ended no later than Sep 14, 2019 · Medium confidence	Term ended	Ended no later than Sep 14, 2019	Medium confidence
US 7,323,086	Pollution Prevention Method for Canvas Used in Paper Machine Term ended Ended no later than Sep 14, 2019 · Medium confidence	Term ended	Ended no later than Sep 14, 2019	Medium confidence
US 6,454,901	Method of making quality crepe paper Lapsed on the fee record Ended Sep 24, 2014 · From the USPTO record	Lapsed on the fee record	Ended Sep 24, 2014	From the USPTO record
US 6,858,113	Pollution prevention method for cylindrical dryer used in paper machine Lapsed on the fee record Ended Feb 22, 2013 · From the USPTO record	Lapsed on the fee record	Ended Feb 22, 2013	From the USPTO record
US 6,468,394	Method of preventing over-adhesion of paper onto press roll of paper machine Lapsed on the fee record Ended Oct 22, 2010 · From the USPTO record	Lapsed on the fee record	Ended Oct 22, 2010	From the USPTO record
US 6,026,884	Laminating device Lapsed on the fee record Ended Feb 22, 2004 · From the USPTO record	Lapsed on the fee record	Ended Feb 22, 2004	From the USPTO record