Bizarre Patents
Vehicular Impact Signaling Device
An apparatus for the deployment of a visible plume to alert other motorists that a proximate motor vehicle has been involved in a collision.
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| Number | Title | Issue Date |
| 7123343 | Exposure apparatus and device manufacturing method An exposure apparatus which projects and transfers a pattern formed on a mask to a substrate using exposure light includes a stage, an optical system, and a gas stream forming mechanism which forms a stream of inert gas in an optical path space including a space whi... | 10/17/2006 |
| 7066799 | Protection mask for surface treatment of turbomachine blades A protection mask used during surface treatment for a turbomachine blade, including for example a sand blasting step and/or a metal coating step, includes at least one part matching the shape of a portion of the blade. The mask is designed to resist surface treatmen... | 06/27/2006 |
| 6964712 | Hardening protection compositions for partial carburization of metallic components Hardening protection compositions based on substances which form boron glass for partial carburization of metallic components, which contain magnesium-silicon compounds as an additive. These hardening protection compositions can be used very advantageously in proces... | 11/15/2005 |
| 6954255 | Exposure apparatus An exposure apparatus which projects a pattern formed on a mask onto a substrate by using exposure light. The apparatus includes a shielding member which surrounds a light path space through which exposure light passes and has a passage which makes the light path sp... | 10/11/2005 |
| 6934003 | Exposure apparatus and device manufacturing method An exposure apparatus which projects and transfers a pattern formed on a mask to a substrate using exposure light includes a stage, an optical system, and a gas stream forming mechanism which forms a stream of inert gas in an optical path space including a space whi... | 08/23/2005 |
| 6776854 | Process and apparatus for the partial thermochemical vacuum treatment of metallic workpieces In the partial thermochemical vacuum treatment of metallic workpieces (1), in particular in the carburization and case hardening of workpieces (1) of case-hardening steel in a carbon-containing atmosphere, surface regions (3, 4, 5, 6) to be trea... | 08/17/2004 |
| 6458220 | Case hardened steel blades for sports equipment and method of manufacture Steel alloys susceptible to case and core hardening comprise 0.05 to 0.24 weight percent carbon; 15 to 28 weight percent cobalt and 1.5 to 9.5 weight percent in nickel, small percentages of one or more additives: chromium, molybdenum, and vanadium; and th... | 10/01/2002 |
| 6238489 | Methods and apparatus for masking a percussive drill member prior to a surface treatment thereof A metallic drilling member is surface hardened except at an end portion, because the end portion is masked. The masking is achieved by placing on the end portion a lid which forms a slight gap around the surface being heat treated. During the heat treatme... | 05/29/2001 |
| 6165597 | Selective case hardening processes at low temperature A selectively case hardened steel article by low temperature carburization includes a body made of a chromium bearing nickel or ferrous based alloy (for example, stainless steel), a first portion of the body having a first hardness characteristic, and a s... | 12/26/2000 |
| 6110184 | Introducer with vascular sealing mechanism An introducer for use in interventional vascular procedures having a sealing mechanism for closure of a puncture site is disclosed. The introducer has a vessel-engaging component and a sealing component thereon. The vessel-engaging component comprises an ... | 08/29/2000 |
| 5785771 | Method for manufacturing precision gears A method for manufacturing precision gears (10) including an initial step of providing a shaped workpiece (30S) defining a plurality of gear teeth (12) and, furthermore, defining a tooth space surface (68) defined by and between adjacent gear t... | 07/28/1998 |
| 4771689 | Unitary spring armature for a dot matrix printer An elongated unitary spring armature is disclosed for use in dot matrix printers. The spring armature has an elongated triangular shape with attachment means located adjacent to the base and means for securing the impact tip located adjacent to the apex. ... | 09/20/1988 |
| 4693760 | Ion implanation of titanium workpieces without surface discoloration A process for preventing surface discoloration in orthopedic implants made of titanium and its alloys is disclosed. Such surface discoloration is apt to occur when the orthopedic implants are ion implanted to improve their wear characteristics. The proces... | 09/15/1987 |
| 4664722 | Method for protecting from hardening a selected region of a steel structure A method for hardening a selected region of a steel bearing surface of an earth boring bit using the steps of stretching a rubber protector over a seal region to be protected from treatment (the rubber being selected from the group consisting of silicone,... | 05/12/1987 |
| 4469530 | Method for reducing the hardening distortion during case hardening of large toothed rims formed of steel and support body members suitable for such purpose To reduce the hardening distortion during the case hardening of large toothed rims or gear wheels formed of steel the toothed rim or the like during cooling thereof, starting from the hardening temperature, is shrunk during the γ/ transformation o... | 09/04/1984 |
| 4279528 | Tulip member for a tripod joint and process for producing the same The object of this invention is to improve the performance of the tulip members in the regions of connection or attachment between the petal portions and the adjacent shaft, this result being obtained by simple means. For this purpose, whereas the rest of... | 07/21/1981 |
| 4165243 | Method of making selectively carburized forged powder metal parts A powder metallurgical process for producing dense low-alloy ferrous parts having selected carburized surface portions in which a metal powder of the desired composition is briquetted into a shape-retaining preform, the preform is masked, sintered, carbur... | 08/21/1979 |
| 4154628 | Quench hardening of gears A method of quench hardening a gear having a gear rim, a hub, and two rim carrying gear disk includes carburizing the gear and quenching it subsequently in a saline bath, and is improved by releasably covering the perforated disks with perforated suppleme... | 05/15/1979 |
| 4062702 | Process for partially insulating surfaces of metal work pieces Portions of the surface area of metal workpieces are insulated in thermochemical treatment by covering the areas with a self-adhering textile tape having metal powder embedded in its adhesive layer.... | 12/13/1977 |
| 3994752 | Annealing treatment for controlling warhead fragmentation size distribution Methods for controlling the sizes and shapes of fragments produced by ward casings are disclosed.... | 11/30/1976 |
| 3969158 | Process for treating 9% nickel steel A heat treatment of nine percent nickel steel including carburizing, double normalizing, tempering, subcooling and then tempering to provide a steel having useful mechanical properties at extremely low temperatures.... | 07/13/1976 |
