Patent Information

The Mainspring® Linear Generator is protected by one or more of the patents listed below, with certain U.S. and foreign patent applications pending.

U.S. Patent Nos.: 8,344,669; 8,624,542; 8,662,029; 9,567,898; 10,024,231; 10,221,759; 10,851,708; 10,190,490; 10,738,688; 9,657,675; 10,156,198; 10,408,150; 10,731,586; 9,856,821; 10,359,002; 10,669,969; 10,436,322; 10,715,068; 10,404,199; 10,443,727; 11,053,876; 10,975,966; 10,985,641; 11,313,318; 11,346,445; 11,211,885; 11,525,391; 11,352,947; 11,578,646; 11,339,735; 11,313,318; 11,346,445; 11,211,885; 11,404,937; 11,530,691; 11,616,428, 11,652,432, 11,739.705, 11,750,065, 11,767,915, 11,867,116; 11,873,906, 11,976,730, 12,000,331, 12,027,956, 12,078,250, 12,078,249; 12,170,501