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Class Information
Number: 405/156
Name: Hydraulic and earth engineering > Subterranean or submarine pipe or cable laying, retrieving, manipulating, or treating > With forming or cutting of pipe or cable
Description: Method or apparatus including a step or means for either (a) serving or machining the string or conduit, or (b) either plastically shaping stock material into the form of a string or conduit or plastically shaping an already formed string or conduit so as to alter its cross sectional configuration.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4678370 |
Sewer renovation system |
Jul. 7, 1987 |
| 4657436 |
Device and method for removing irregularities in or enlarging an underground duct |
Apr. 14, 1987 |
| 4606676 |
Manufacture of articles |
Aug. 19, 1986 |
| 4598727 |
Method of removing chips from the end portion of an upwardly extending conduit |
Jul. 8, 1986 |
| 4596492 |
Process for bringing ashore the ends of underwater cables at arrival landing points |
Jun. 24, 1986 |
| 4558971 |
Continuous pipeline fabrication method |
Dec. 17, 1985 |
| 4537531 |
Tile layer |
Aug. 27, 1985 |
| 4505302 |
Replacement of mains |
Mar. 19, 1985 |
| 4504171 |
Liner installation tool and method |
Mar. 12, 1985 |
| 4488836 |
Method and apparatus for embedding a pipe in a trench in weak ground |
Dec. 18, 1984 |
| 4457647 |
Re-rounding deflected underground plastic pipe and remedying over belling and faulty grading thereof |
Jul. 3, 1984 |
| 4448567 |
Method for installing lines, pipes or cables underground |
May. 15, 1984 |
| 4437789 |
Method and means for protecting buried cable from rodent damage |
Mar. 20, 1984 |
| 4335752 |
Flanged pipe |
Jun. 22, 1982 |
| 4309128 |
Method and apparatus for removing deflection from plastic pipes |
Jan. 5, 1982 |
| 4295494 |
Method and apparatus for plugging and cutting a gas line or the like without excavation |
Oct. 20, 1981 |
| 4285613 |
Apparatus for forming and installing underground drainpipe |
Aug. 25, 1981 |
| 4283160 |
Corrugated pipe fabricator and installer device and methods of making and using the same |
Aug. 11, 1981 |
| 4283160 |
Corrugated pipe fabricator and installer device and methods of making and using the same |
Aug. 11, 1981 |
| 4253497 |
Live gas main insertion tools |
Mar. 3, 1981 |
| 4147454 |
Method of and apparatus for construction of pipes for marine use, as for ocean mining and the like |
Apr. 3, 1979 |
| 4120095 |
Method and apparatus for determining the spatial relationship between two misaligned tubular members |
Oct. 17, 1978 |
| 4091514 |
Subsea machine tool |
May. 30, 1978 |
| 4088720 |
Method of forming castings in holes |
May. 9, 1978 |
| 4087219 |
Apparatus for installing underground pipelines |
May. 2, 1978 |
| 4068491 |
Method and apparatus for connecting the ends of submerged pipes |
Jan. 17, 1978 |
| 4016393 |
System for laying pipe |
Apr. 5, 1977 |
| 4003122 |
Apparatus and method for applying filter to a drainage tubing |
Jan. 18, 1977 |
| 3995355 |
Laying of flexible pipe |
Dec. 7, 1976 |
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