| Patent Number |
Title Of Patent |
Date Issued |
| 4266578 |
Drill pipe protector |
May 12, 1981 |
| A cylindrical drill pipe protector (10) having a skeleton (34,36) with inner (40) and outer (42) layers of rubber bonded to the skeleton. |
| 4142371 |
Removable closure apparatus for hollow columnar members |
March 6, 1979 |
| A removable closure apparatus for tubular members of offshore platforms and the like utilizes a body inserted in the tubular member. A seal formed in an annulus between the inner surface of the tubular member and the outer surface of the body is bonded to each of the surfaces of the body |
| 4109474 |
Bumper assembly shock cell system |
August 29, 1978 |
| A shock cell for a bumper fending off vehicles traveling adjacent a fixed structure is provided wherein an outer cylinder extends horizontally from the structure. An inner cylinder coupled to the bumper extends into the open end of the outer cylinder. An annular rubber cylinder is bonded |
| 4098211 |
Bumper rings |
July 4, 1978 |
| A bumper assembly for fending off vessels floating adjacent a marine structure includes bumper rings having flat lower surfaces and uniquely relieved upper outer surfaces. In a further aspect, an assembly includes a spring support element at one end thereof. |
| 4047391 |
Grout seal |
September 13, 1977 |
| A grout seal for a piling driven through a cylindrical platform leg into submerged strata includes an array of spring members having upper and lower end portions of cylindrical configuration, the lower and upper extremities of the portions, respectively, defining boundaries of inward |
| 4024723 |
Platform leg diaphragm |
May 24, 1977 |
| In an offshore platform to be erected on hollow legs which receive piles driven down through the legs into the ocean floor, a resilient diaphragm closure for each of said legs to prevent ingress of water as said platform is moved into position. The diaphragm includes a ring of down-facin |
| 3991582 |
Rotating-bumper fender system |
November 16, 1976 |
| A fender system including a supporting frame mounted on a stationary structure by energy-absorbing shock mounting members, and the frame carrying annular bumper members stacked one above the other and sized for rotation about a pipe column, the bumper members each having their respec |
