| Patent Number |
Title Of Patent |
Date Issued |
| RE31674 |
Floor or bench mounted conduit cutting device |
September 18, 1984 |
| Apparatus for cutting a conduit or tubular element transversely to the longitudinal axis thereof which includes a base having a housing projecting vertically therefrom. The housing includes opposed, substantially parallel side plates separated by a vertical slot at their upper ends, |
| D286768 |
Electrical outlet box |
November 18, 1986 |
|
| 6537402 |
Membrane welding apparatus including a visual seam marker |
March 25, 2003 |
| A roof membrane welding apparatus capable of applying a weld to a first membrane and an overlapping second membrane. The apparatus includes a movably supported chassis, a welder attached to the chassis for heating the top membrane to at least the vicant softening point to weld the ov |
| 4869766 |
Method for manufacturing large diameter plastic pipe |
September 26, 1989 |
| A synthetic resin pipe which includes two identical complementary, extruded semi-cylinders joined by electromagnetic bonding along abutting longitudinal edges to form a smooth walled cylindrical pipe. In one embodiment of the invention, the smooth walled pipe forms an internal sleeve |
| 4647074 |
Flexible conduit system |
March 3, 1987 |
| A system of flexible conduit and fittings useful particularly, though not exclusively, for conveying, supporting and connecting electrical service cables and wires. The system includes a corrugated, synthetic resin conduit which is flexible and mechanically strong, connector sleeves for |
| 4578528 |
Electrical outlet box and method of manufacturing same |
March 25, 1986 |
| An electrical outlet box optionally having in combination therewith, a connector fitting for connecting a corrugated conduit to the box, the box having a back wall and at least one side wall of synthetic resin. A pressure removable plug is displaced out of the plane of the side wall so |
| 4524999 |
Flexible conduit system |
June 25, 1985 |
| A system of flexible conduit and fittings useful particularly, though not exclusively, for conveying, supporting and connecting electrical service cables and wires. The system includes a corrugated, synthetic resin conduit which is flexible and mechanically strong, connector sleeves for |
| 4495970 |
Large diameter plastic pipe |
January 29, 1985 |
| A synthetic resin pipe which includes two identical complementary, extruded semi-cylinders joined by electromagnetic bonding along abutting longitudinal edges to form a smooth walled cylindrical pipe. In one embodiment of the invention, the smooth walled pipe forms an internal sleeve |
| 4470622 |
Flexible conduit system |
September 11, 1984 |
| A system of flexible conduit and fittings useful particularly, though not exclusively, for conveying, supporting and connecting electrical service cables and wires. The system includes a corrugated, synthetic resin conduit which is flexible and mechanically strong, connector sleeves for |
| 4443031 |
Connector fitting for connecting corrugated conduit sections |
April 17, 1984 |
| A connector fitting for interconnecting flexible corrugated conduit sections which includes a pair of arcuate sections joined by flexible straps and having corrugation-engaging ribs which engage the corrugation conduit sections when the arcuate sections of the fitting are closed about |
| 4440425 |
Flexible conduit system |
April 3, 1984 |
| A system of flexible conduit and fittings useful particularly, though not exclusively, for conveying, supporting and connecting electrical service cables and wires. The system includes a corrugated, synthetic resin conduit which is flexible and mechanically strong, connector sleeves for |
| 4364292 |
Floor or bench mounted conduit cutting device |
December 21, 1982 |
| Apparatus for cutting a conduit or tubular element transversely to the longitudinal axis thereof which includes a base having a housing projecting vertically therefrom. The housing includes opposed, substantially parallel side plates separated by a vertical slot at their upper ends, |
| 4309855 |
Wall drainage system |
January 12, 1982 |
| A wall drainage system for protecting foundations and basement walls from water contact and seepage and including a water-impermeable synthetic resin backing plate adapted for securement to a surface to be protected and defining drainage channels along one side thereof facilitating d |
| 4304958 |
Electrical outlet box |
December 8, 1981 |
| An electrical outlet box which includes side walls and a back wall and has an opening opposite the back wall. Screw-receiving retainer lugs are provided on the side walls to facilitate attachment of a cover plate to the box, and a plurality of conductor windows are provided in the box at |
| 4300425 |
Floor or bench mounted conduit cutting device |
November 17, 1981 |
| Apparatus for cutting a conduit or tubular element transversely to the longitudinal axis thereof which includes a base having a housing projecting vertically therefrom. The housing includes opposed, substantially parallel side plates separated by a vertical slot at their upper ends, |
| 4290572 |
Pipe clamp device |
September 22, 1981 |
| A clamp for suspending a pipe from a strut, the clamp including an elongated flexible strap carrying pipe spacing protuberances on one side, and having tee subassemblies at opposite ends. Each of the tee subassemblies includes a cross-arm which defines a tool-receiving slot aligned w |
| 4248459 |
Flexible conduit system |
February 3, 1981 |
| A system of flexible conduit and fittings useful particularly, though not exclusively, for conveying, supporting and connecting electrical service cables and wires. The system includes a corrugated, synthetic resin conduit which is flexible and mechanically strong, connector sleeves for |
| 4225103 |
Pipe clamp device |
September 30, 1980 |
| A clamp for suspending a pipe from a strut, the clamp including an elongated flexible strap carrying pipe spacing protuberances on one side, and having tee subassemblies at opposite ends. The tee subassemblies each define a tool-receiving slot aligned with a neck portion of the respectiv |
| 4214668 |
Electrical box and mounting bracket assembly |
July 29, 1980 |
| An electrical outlet box mounting bracket assembly including a box of generally rectangular parallelepiped configuration, a pair of spaced channel elements on a side of the box, and an L-shaped bracket including a flange having side edges extending into the channels to engage the bracket |
| 4209661 |
Conductor clamping device |
June 24, 1980 |
| A clamping device comprising an elongated wedge body having a bifurcated end, and a second end opposite the bifurcated end. The wedge body is of substantially rectangular transverse cross-sectional configuration, and is relatively thick at the second end, tapering to a relatively thin |
| 4172578 |
Device for clamping conduit |
October 30, 1979 |
| A device for clamping conduit which includes a U-shaped body portion having a recess therein located between two legs of the body portion, and a toothed jaw portion positioned at the bottom of the recess for engaging a pipe or conduit. A clamping portion is hingedly secured to one of the |
| 4083465 |
Retainer clip and synthetic resin box combination |
April 11, 1978 |
| A spring fastener or clip of generally V-shaped configuration and including a first, substantially monoplanar leg joined to a second, substantially monoplanar leg through a bend portion so that the legs define between them an acute angle from about 43.degree. to about 48.degree.. The sec |
| 4073514 |
Combination pipe fitting and retainer ring |
February 14, 1978 |
| The combination of a spring metal retainer ring with a pipe or conduit fitting having an annular seat for accommodation of the retainer ring, and further having a cylindrical passageway therein coaxial with the ring for receiving a pipe or conduit through the ring. The retainer ring incl |
| 4037810 |
Pipe bracket and clamp |
July 26, 1977 |
| An improved pipe bracket and clamp for holding a pipe or conduit in a manner minimizing heat and sound transmission, preventing electrolysis or galvanic action and avoiding pipe rupture through thermal expansion and contraction. The clamp is preferably formed of a resilient synthetic |
| 4036389 |
Retainer clip and synthetic resin box combination |
July 19, 1977 |
| A spring fastener of generally V-shaped configuration and including a first, substantially monoplanar leg joined to a second substantially monoplanar leg through a bend portion defining an acute angle of from about 43.degree. to about 48.degree.. The second leg defines a circular ape |
