JB

John W. Betteridge

Overall (All Time): #1,487,221 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9544950 Electric induction heating and coating of the exterior surface of a pipe Stephen William Baskerville, Derek Humphries, William Fenwick, Michael Lee 2017-01-10
7105204 Apparatus and method for coating the exterior surface of a pipe 2006-09-12
4595607 Combined induction heating and coating system for pipe weld joints Milburn L. Hart, Gregory H. Carlson, Ronald E. Carlson, Sr. 1986-06-17