| Patent Number |
Title Of Patent |
Date Issued |
| 7647947 |
Casing spacer |
January 19, 2010 |
| A casing spacer includes a pair of generally semi-cylindrical metal shells disposed on opposed outer surface portions of a carrier pipe for securely maintaining the pipe in fixed, spaced relation from the inner surface of an outer casing. Opposed ends of the shells are connected together |
| 7225837 |
Casing spacer with joint restraint |
June 5, 2007 |
| An integrated casing spacer and joint restraint unit is attached to each of a pair of pipe sections adjacent to an end-to-end connection of the pipe sections by means of first and second spacer/retainer ring members. Disposed on the outer periphery of each ring member in a spaced manner |
| 6837522 |
Pipe repair clamp installation tool |
January 4, 2005 |
| A manually operated tool engages and draws towards one another opposed spaced flanges of a repair clamp disposed about a leaking pipe for securely maintaining the clamp in position on the pipe over the leak allowing plural nut and bolt combinations on the clamp to be tightened in sea |
| 6588767 |
Mat gasket for fluid conduits |
July 8, 2003 |
| A mat gasket for use with a tapping saddle is disposed about an aperture in a main fluid conduit and is further disposed between and in sealed contact with the main fluid conduit and an outer sleeve member. The mat gasket includes an aperture aligned with the aperture in the main fluid c |
| 6571832 |
Casing spacer |
June 3, 2003 |
| A casing spacer disposed between and engaging an inner carrier pipe and an outer casing maintains separation between and alignment of the carrier pipe and the casing. The casing spacer includes plural connected shell members, or segments, disposed about and engaging an outer surface of a |
| 5441082 |
Casing spacer |
August 15, 1995 |
| A casing spacer includes first and second elongated, steel shell members comprised of stainless steel or high strength steel with corrosion inhibiting coatings, with each shell member having a semi-circular cross section for engaging and enclosing a carrier pipe within an outer casing. |
| 5288108 |
Bell joint repair clamp |
February 22, 1994 |
| A bell joint repair clamp includes first and second semi-cylindrical sleeve members adapted for secure coupling by lug members drawn together by bolts for positioning about a leaking bell joint. Disposed intermediate the bell joint and coupled sleeve members is a sealing gasket preferabl |
