Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8095010 | Method and device for tunable optical filtering An optical device includes an optical splitter having an input port, a first output port, a second output port and a resonant structure including at least a resonator, the optical splitter being adapted to receive at the input port a WDM optical signal and to output... | 01/10/2012 |
| 8064769 | Method and system for hitless tunable optical processing A method for switching from a first optical path optically coupled to an optical processing device to a second optical path, the first and second optical paths optically connecting, in parallel configuration, a first optical switch to a second optical switch, accord... | 11/22/2011 |
| 8064741 | Optical coupling device An optical mode converter has a coupling waveguide and a receiving waveguide. The coupling waveguide has at an input end a first effective refractive index and includes a tapered core of a substantially constant refractive index with a substantially square cross sec... | 11/22/2011 |
| 5704824 | Method and apparatus for abrasive water jet millins The invention describes a method and apparatus for milling objects by means of high velocity abrasive waterjet. The apparatus includes means for holding and producing relative motion in three dimensions of both the workpiece and the jet. Control means are... | 01/06/1998 |
| 5555455 | Recessed fire detector The application describes a method and apparatus for detecting fire. The apparatus includes a fire detector and a mounting means adapted for attachment to both existing structures and new construction in such a manner as to not protrude into the interior ... | 09/10/1996 |
| 5352152 | Method and apparatus for processing fish A method and apparatus for processing fish with minimal damage to eggs and entrails is shown, the machine includes adjustable arms that conform to the inner belly wall of a fish passing through the machine which detach eggs and entrails from the belly wal... | 10/04/1994 |
| 5320289 | Abrasive-waterjet nozzle for intelligent control An abrasive waterjet nozzle for intelligent control is illustrated. The invention includes a nozzle cartridge dismountably attached to a holder allowing quick and automatic nozzle changes. Provisions are further included for sensing the condition of nozzl... | 06/14/1994 |
| 4993982 | Method and apparatus for producing neon signs A method and apparatus for producing neon and similar signs. The method includes a direct bending of glass tubing over a drawing which is protected by a translucent heat resistant sheet. The sheet and process for its production are also described.... | 02/19/1991 |
| 4932612 | Method and apparatus for reducing turbulent skin friction A method and apparatus for reducing the skin friction on objects in relative motion to a field of fluid. The areas of relative low speed motion are fixed to align with a series of ridges on the surface of the object. The areas of low speed motion aligned ... | 06/12/1990 |
| 4924698 | Method and apparatus for remote monitoring of oceanographic conditions A method and apparatus for measuring profiles of ocean properties. The apparatus includes a stationary surface buoy to which a weight and cable are attached, the sensors traverse the cable by means of a hydrofoil the pitch of which is varied by a pressure... | 05/15/1990 |
| 4921671 | Method for molding articles to a web A method and apparatus for producing molded articles attached to a flexible web by molding the articles in the cavity of a mold which includes entrances for the web and elements for centering the web in the cavity. Structures are provided to trim waste fr... | 05/01/1990 |
| 4895033 | Sample holder for use in the grinding or polishing of samples A plurality of fragments of printed circuit boards, so-called coupons, each having a row of plated-through holes to be examined and two reference holes, are mounted on positioning pins extending through the reference holes, and are then embedded in a mold... | 01/23/1990 |
| 4848258 | Airfoil sailing system An airfoil system for use on water vessels is described. A plurality of fore and aft symmetrical sails are arranged to form an asymmetrical two surface airfoil. The individual sails may be rotated to allow tacking. The parameters of sail configurations de... | 07/18/1989 |
| 4817391 | Method and apparatus for producing a controlled atmosphere A method and apparatus for producing a controlled atmosphere in an area. The method includes the intermittent removal of oxygen, carbon dioxide water vapor and ethylene from the area. An apparatus to practice the method is disclosed that includes a compre... | 04/04/1989 |
| 4788826 | Method and apparatus for preventing floodback in cooling apparatus A method and apparatus for preventing flood back in refrigeration systems which include a compressor, expansion valve and evaporator coil, by sensing the temperature differential across the evaporator coil and deactivating the compressor when the differen... | 12/06/1988 |
| 4671064 | Heater head for stirling engine A heat exchanger having annular construction for a constant operation at high temperatures and pressures. A series of heating walls at high temperature surround the fluid to which heat is desired to be transferred in annular spaces. Counterbalancing press... | 06/09/1987 |
| 4665944 | On-off dump valve This invention relates to a high pressure valve of the dump type. The valve body contains a slideable, hollow spool with ports connecting its interior and exterior. When the valve is in the on position, all ports are located in the pressurized portion of ... | 05/19/1987 |
| 4540320 | Self generating profile generator A method and apparatus for cutting holes of circular or other shape by first cutting at the center of the proposed hole, then cutting to the circumference and following the shape desired. A tool that accomplishes these functions is described which include... | 09/10/1985 |
| 4536135 | High pressure liquid piston pump A piston and a cylinder within a pump housing cooperate with the inner walls of the housing to form a high-pressure reservoir surrounding the cylinder to provide a continuous compressive force thereon to prevent tensile stresses in the cylinder during pum... | 08/20/1985 |
| 4428289 | Precision vertical registration adjustment device for a printing press A device for making fine adjustments of the vertical registration of a printing press of the type having a master cylinder and a master cylinder gear selectively rotatable with respect to each other. The device includes a shoe releasably secured to the ma... | 01/31/1984 |
| 4415066 | Manhole service vehicle An improved manhole service vehicle having an enclosed working space and an opening in its floor sized at least as large as a work man to permit him to service a manhole while the service vehicle shelters both the workman and the manhole. A laterally mova... | 11/15/1983 |
| 4373430 | Humidifier for a proof box A fast warmup, high capacity, no splash, self-cleaning humidifier for a proof box. The device has an aluminum steam generating heater pan including at least one electrical heating element cast into its base. A reservoir and a float controlled valve attach... | 02/15/1983 |
| 4373466 | Storeroom bin marker A storeroom bin marker which includes a base member having indicia thereon, and a rotatable view blocking member which can be selectively rotated to cover some, all, or none of the indicia, to thereby indicate the supply or reorder status of a stocked ite... | 02/15/1983 |
| 4138401 | [3,2-g] Pyranoquinoline derivatives 2-Keto-6,7,8,9-tetrahydro-2H-pyrano(3,2-g)-quinoline and 2-keto-9-methyl-,8,9-tetrahydro-2H-pyrano(3,2-g)-quinoline, compounds useful as laser dyes, are prepared from 7-hydroxy-1,2,3,4-tetrahydroquinoline.... | 02/06/1979 |
