Bizarre Patents
Wearable Device For Feeding and Observing Birds and Other Flying Animals
A device for feeding and observing flying animals comprising a hat, a support mounted on the hat and extending outward from the hat, and a feeder mounted on the support.
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| Number | Title | Issue Date |
| 7284461 | Colored razor blades Colored razor blades are provided. Methods for manufacturing such blades are also provided, including methods involving subjecting a blade material to a hardening process; and, during the hardening process, oxidizing the blade material to form an oxide layer on the ... | 10/23/2007 |
| 7164094 | Apparatus and method for electrofriction welding An apparatus and method arranged to use a combination of at least electrical resistance heating and mechanical friction heating to case a base material and/or a consumable material to reach a combination of temperature and pressure sufficient to cause welding. The m... | 01/16/2007 |
| 6605794 | Methods for resistance cladding and welding on hot crack susceptible materials Electrical resistance welding with low heat input in conjunction with applied forces effecting compressive forces in the weld are utilized to weld materials sensitive to hot cracking. An electrode coupled with a force applicator performs a low heat input ... | 08/12/2003 |
| 6369344 | Substrate facing method, body and kit A method of facing a substrate comprises applying a plurality of facing bodies to a carrier in a pattern corresponding to the desired pattern of the bodies on the faced substrate. The carrier has holes positioned centrally with respect to each body. Each ... | 04/09/2002 |
| 5589087 | Process for producing a steel mold for concrete paving blocks with spacers The process described serves for producing a steel mold for concrete paving setts with so-called spacers, the individual mold chambers being cut out of a steel plate by flame cutting. Grooves are formed in the mold walls by means of the flame-cutting jet,... | 12/31/1996 |
| 4786779 | Saw blade segment welding apparatus A welding apparatus for welding hard segments to the circumference of a base of a saw blade. The blade base is clamped between two electrodes of a first electrode unit which can rotate. The segment is clamped by conductive fingers of a second electrode un... | 11/22/1988 |
| 4624860 | Method of applying a coating to a metal substrate using brazing material and flux A method for bonding a coating material to a substrate wherein the properties of the substrate material need to be precisely controlled which comprises providing a substrate which is to be coated, supplying a brazing material adapted to come into contact ... | 11/25/1986 |
| 4563562 | Hot wire welder A hot wire welder comprises a plurality of longitudinal tubes with welding wire moving through the tubes. At one end, buss bars pass power to the wires as they emerge from the tubes. Replaceable copper inserts are positioned between the wires and the buss... | 01/07/1986 |
| 4234776 | Method of producing areas of alloy metal on a metal part using electric currents A method and apparatus for modifying the surface properties of a metal part in which electric current having a frequency of at least 3000 Hz is supplied to a narrow area on the part by means of contacts, one at each end of the area, and a proximity conduc... | 11/18/1980 |
| 4215259 | Surface hardening of metals using electric currents Method and apparatus for modifying the surface properties of a metal part made of a metal which changes its properties with heating to a transformation temperature and subsequent cooling in which method electric current having a frequency of at least 3000... | 07/29/1980 |
| 4192984 | Embedment of hard particles in a metal surface A method and apparatus for embedding in a surface area of a metal part a plurality of particles of a material having a melting point higher than, and mechanical properties different from, the metal of the part. The metal part is contacted with a pair of c... | 03/11/1980 |
| 4103099 | Electric furnaces Impregnation of a porous carbon body involving deposition of carbon from a as can be effected by establishing a thermal gradient across the body such that carbon is deposited at a boundary which advances through the body. The present furnace is for use in ... | 07/25/1978 |
| 3972084 | Fastener manufacturing method A method of manufacturing a threaded fastener of the self-tapping type is described, where the fastener has the conventional head, shank, and pilot end. The shank includes a helically wound thread member impregnated with a carbide or other, harder substan... | 08/03/1976 |
| 3968533 | Fastener manufacturing apparatus A threaded fastener of the self-tapping type is described having the conventional head, shank, and pilot end. The shank includes a helically wound thread member impregnated with a carbide or other, harder substance than the metal from which the fastener i... | 07/13/1976 |
| 3951340 | Electrostatic powder projection system and method In an installation for the electrostatic projection of powders for coating objects, a method of improving the efficiency of projection and deposit of the said powders consists of increasing the relative humidity of the projection gas in the immediate vici... | 04/20/1976 |
