Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 9009905 | Pipe pig and method of cleaning a pipe | Jantje Been, Baotong Lu, Guenther Metzker | 2015-04-21 | |
| 5377530 | Apparatus for hydrostatic pressure testing of tubular products | Bruce F. Allen, Alfred D. Depeau | 1995-01-03 | |
| 5037215 | Method for marking a steam generator tube sheet | — | 1991-08-06 | |
| 4932553 | Radiation reducing manway doors | John E. Reich, Jr., Roland M. Witt, Jr., Charles M. Ashman | 1990-06-12 | |
| 4874041 | Bar support shim and method | James K. Hayes | 1989-10-17 | $2,646,000 |
| 4780009 | Steam generator tube sheet automatic stamping device | — | 1988-10-25 | $3,985,000 |
| 4768585 | Moisture separator reheater tube support | James K. Hayes | 1988-09-06 | $9,747,000 |