Celebrity Inventors
Magician Harry Houdini patented a "Diver's Suit" enabling the wearer to "quickly divest himself of the suit while being submerged and to safely escape and reach the surface of the water."
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| Number | Title | Issue Date |
| 4009733 | Pressure hose A hose member of synthetic plastic material is surrounded by a pressure-resistant armor and is provided at its opposite ends with mounting sleeves which surround the armor. At least one of the ends of the hose member extends axially beyond the associated ... | 03/01/1977 |
| 4006757 | Pipe bell end having a thickened portion and apparatus for forming the bell end A bell end on a pipe of thermoplastic material has variable wall thickness in the axial direction, the maximum being where the inner wall acts as a sealing face. The bell end can be formed by upsetting the pipe wall into the cavity between a mandril and a... | 02/08/1977 |
| 4005735 | Adapter with thread protector An adapter for connecting a nozzle or similar attachment to the threaded end of a garden hose or the like has a body with an internally threaded end connectable to the hose threads and a spring loaded retractable coaxial sleeve which extends over and prot... | 02/01/1977 |
| 3998065 | Horizontal wellpointing method and apparatus A horizontal wellpointing system is provided wherein a trenching vehicle digs a trench while perforated flexible pipe having a filter material is placed along the trench. The pipe is covered as the trench is refilled and a subsequent evacuating pressure i... | 12/21/1976 |
| 3995663 | High solids brine distributor A liquid distributing device for use in the upper end of an upright tube in a vertical, tubular heat exchanger, which device comprises a ferrule having a head adapted to seat upon the upright tube, a cylindrical sleeve adapted to fit snugly within said tu... | 12/07/1976 |
| 3991446 | One piece knock-out plug A closure or bushing member for openings in electrical boxes, conduit ends and the like is formed as an integral unit of a thermoplastic synthetic organic polymeric resin and includes a disc or annular shaped head and a coaxial hollow cylindrical shank of... | 11/16/1976 |
| 3987820 | Gas riser apparatus and method A gas riser apparatus and method for conducting gas from a source of supply to a delivery point such as a meter or the like. The gas riser apparatus is defined by a double walled conduit including an inner tubular member and an outer tubular member. Seali... | 10/26/1976 |
| 3972353 | Plested configuration vent structure A vent structure for reliable long term operation at high temperatures is fabricated by annealing a tubing of predetermined length and size, uniformly filling a normally upper portion of the tubing with a predetermined thickness layer of fine alumina part... | 08/03/1976 |
| 3968552 | Method and apparatus for forming plastic lined junction in lined pipe Disclosed are methods and apparatus for effecting a fully lined junction between the end faces of two joints of plastic lined pipe. An annular groove is formed in the outer surface of the pipe at a predetermined distance from the end of the pipe joint and... | 07/13/1976 |
| 3965555 | Method of forming joints for protectively lined or coated metal There is described a method of joining a first metallic structural member, which comprises a metallic member having a coating of a heat-degradable material on one surface thereof, to a second metallic structural member which comprises a metallic member, a... | 06/29/1976 |
| 3948290 | Means for connecting an elastomeric tubing to a member Closure of the end of an elastomeric tubing is provided by folding the end of the tube back on itself to form a band-like wrap, and inserting into the tube beneath the wrap the solid body of a plug of elastomeric material having at its outer end a resilie... | 04/06/1976 |
| 3948628 | Vent assembly including an air lock A vent structure for reliable long term operation at high temperatures is fabricated by annealing a tubing of predetermined length and size, filling the tubing with fine alumina particles, flattening and coiling and pressing an upper portion of the tubing... | 04/06/1976 |
| 3945795 | Means for preventing damage to jacketed flexible pumping strand Damage due to rupture or ballooning of the plastic jacket on a flexible pumping strand due to filling of the well with gas is prevented by providing an assembly including a preset pressure release valve in the lower portions of the strand to quickly relea... | 03/23/1976 |
| 3943618 | Method of assembly of a dual-walled pipe A method for assembling two pipes into a single section of double-walled, radially-spaced, concentric pipe of sufficient strength for use in a wellbore in a permafrost zone in the earth is disclosed. Connectors having both left-hand and right-hand and int... | 03/16/1976 |
| 3931835 | Long term vent structure A vent structure for reliable long term operation at high temperatures is fabricated by annealing a tubing of predetermined length and size, filling the tubing with fine alumina particles, flattening and coiling and pressing an upper portion of the tubing... | 01/13/1976 |
| 3930627 | Radiation shielding and gas diffusion apparatus A device for shielding a heated surface from infrared detection through an exhaust opening adjacent the heated surface which comprises an exhaust gas conducting member adapted to receive heated exhaust gases from the exhaust opening with the member having... | 01/06/1976 |
