Bizarre Patents
A vest or belt is integrally formed with tubular, pet receiving passageways which extend around the wearer's body and terminate in pocket-like chambers for feeding and retrieval.
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| Number | Title | Issue Date |
| 6414281 | Hot-toe multicell electric heater A multicell heater is shown with typically round outer tubing, containing a plurality of resistive heating elements having a common inner sheath. The inner sheath has a preferably non-circular cross-section and is given a hairpin bend to form a "U" shape.... | 07/02/2002 |
| 5118921 | Metallic sheath heater with improved electrical connection between coil and sheath and method of manufacture thereof A sheath heater includes a metal sheath, a coil-like heater, and a heat-resistant insulating powder. The starting form of the metal sheath has a small-diameter cylindrical portion at its distal end and is formed to have a substantially tubular shape as a ... | 06/02/1992 |
| 4593182 | Electric cartridge heater A cartridge heater includes an inner casing in which a heating element is accommodated. This inner casing is surrounded by an coaxially arranged outer casing of larger diameter so that an annular space is defined between the inner and outer casings. In th... | 06/03/1986 |
| 4510377 | Small cartridge heater A cylindrical core of a ceramic such as alumina (Al2 O3) has grooves in the form of a double lead thread. A coil of Nichrome V is placed in the grooves, starting in one lead of the thread and returning in the other. A split ring of a... | 04/09/1985 |
| 4419567 | Heating element for electric water heater The heating element has an outer connector assembly including a cylindrical threaded portion adapted to be threaded into a boss on the heater water tank and a sheathed continuous electric resistance heating rod which has both ends secured to the connector... | 12/06/1983 |
| 4358667 | Cartridge-type electric immersion heating element having an integrally contained thermostat A cartridge-type electric immersion heating element having an integrally contained, self-limiting thermostatic control included in its electrical circuit includes an electric resistance heating element embedded in compacted powdered insulating material pa... | 11/09/1982 |
| 4346287 | Electric heater and assembly An electrical heater comprising a heating element, a sheath surrounding the heating element and spaced therefrom, the sheath having an end spaced from an end of the heating element, electrical insulation between the heating element and the sheath, an inte... | 08/24/1982 |
| 4210799 | Electric heating units The invention is directed to a termination for a surface unit having a flat spiralled active heating portion and a single, downward and laterally-extending terminal leg. The termination is particularly adapted for a surface unit of the type shown in U.S. ... | 07/01/1980 |
| 4115686 | Cartridge heater with improved thermocouple A cartridge heater with improved thermocouple comprising a tubular metal sheath with a front end having a central opening therein, a metal plug engaged in and closing said opening, a filler of dielectric material in the sheath rearward of the plug, a resi... | 09/19/1978 |
| 4010350 | Electric heating elements An electric heating element of the metal sheathed type, particularly a range surface unit comprising a spiralled metal tube having one closed end and containing compacted refractory insulation material and a helical coil of resistor alloy insulated from t... | 03/01/1977 |
| 3970822 | Electric cartridge heater An electric cartridge heater having a metallic tubular metal sheath with an elongate heating element of generally circular cross section therein, the heating element being substantially coaxial with the sheath with an annular space between the sheath and ... | 07/20/1976 |
