| Patents for F16L 9 - Rigid pipes (18,006) | |
|---|---|
| 02/1976 | |
| 02/17/1976 | US3938558 Flexible cylindrical metal tube |
| 01/1976 | |
| 01/27/1976 | US3934618 Jacketed pipe assembly formed of corrugated metal tubes |
| 01/27/1976 | US3934617 Corrugated jacketed pipe assembly having vented enclosures for connecting welds |
| 01/27/1976 | US3934615 Segmented rigid insulated conduit |
| 01/20/1976 | US3933180 Methods and apparatus for making fiber reinforced plastic pipe |
| 01/13/1976 | US3931836 Laminated polymeric articles and process for the production thereof |