Bizarre Patents
Cloaking System Using Optoelectronically Controlled Camouflage
A Cloaking System designed to operate in the visible light spectrum, utilizes optoelectronics and/or photonic components to conceal an object within it.
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 |
| 5917064 | Filter with heated tube sheet A tube type hot gas filter having a ceramic tube sheet supporting a plurality of tubular filter elements in a filter chamber includes an annular heating chamber surrounding the edge of said tube sheet and through which hot gas from the downstream side of ... | 06/29/1999 |
| 5766290 | Cross flow filter design An improved cross flow ceramic filter is disclosed for utilization in high temperature, high pressure applications such as found in hot gas cleaning in coal based power generation. The cross flow ceramic filter of the present invention includes a pluralit... | 06/16/1998 |
| 5500029 | Filter element and method of manufacture A unitary candle filter employs a wrapping of continuous filamentary ceramic material in the form of a yarn or twine wrapped over a porous ceramic support tube to hold the support structure intact during a high pressure backwash operation. A thin filterin... | 03/19/1996 |
| 5328492 | Filtration apparatus The present invention is a combined gas flow resistance device and safety shield which incorporates a plurality of narrow parallel passageways through which filtered gas from a plurality of filter elements passes to a clean gas outlet. The device also has... | 07/12/1994 |
| 5071457 | Composite for filtering hot gas and method of its manufacture A composite filter element for filtering hot gasses is made up of a porous ceramic core to which a porous ceramic, thin outer layer is integrally bonded. The outer layer has a mean pore size which is at least several times smaller than the mean pore size ... | 12/10/1991 |
| 5037461 | Filtration apparatus A filter suitable for the filtration of high temperature gasses includes a high pressure tank enclosing a chamber divided into a plurality of separate chambers by horizontally disposed rigid tube sheets. A plurality of banks of filter tubes are positioned... | 08/06/1991 |
| 4968467 | Hot gas filter A ceramic filter element for filtering hot gasses is manufactured by first forming a skeletal member made up of randomly disposed ceramic fibers by pulling an aqueous solution of the fibers and a liquid binder onto a mandrel and then heat treating the mem... | 11/06/1990 |
| 4909813 | Jet pulse extender A multi-apertured flow control device is mounted over the exit end of a tubular filter element and is provided with a central bore through which a high velocity gas pulse is directed into the associated filter tube to dislodge a filter cake deposited on t... | 03/20/1990 |
| 4865629 | Control of particle size distribution in gas filtration A process for filtering fine particulates from a stream of hot gas wherein the particulates vary in size between about 0.15 and 250 microns includes the steps of removing a majority of the larger size particles from the gas stream, while leaving a majorit... | 09/12/1989 |
| 4741841 | Method and apparatus for particle separation Particulates which are less than and greater than a predetermined size and are entrained in a fluid are separated according to their respective sizes by passing the fluid and entrained particulates through a porous, crossflow separator element while conti... | 05/03/1988 |
| 4725356 | Tubular pressure filter A filter apparatus for clarifying liquids or gases includes a tank having a rigid horizontally disposed tube sheet contained therein for supporting a plurality of elongate tube filter elements. Each tube filter has an enlarged hub at one end configured wi... | 02/16/1988 |
| 4713174 | Mounting arrangement for a tube-type filter element Apparatus for filtering a fluid or gas stream under pressure includes a tank having inlet and outlet ports with a tube sheet disposed therebetween. The tube sheet supports one or more generally elongate filter tubes disposed in tube sheet apertures arrang... | 12/15/1987 |
| 4664752 | Desalination system An aqueous saline vapor is passed through a porous mass having a temperature no less than that of the vapor and subsequently condensed to provide substantially salt-free water.... | 05/12/1987 |
| 4526688 | Pressure filter with vibratory impactor A pressure filter utilizes a vibratory impactor for imparting vertically directed high frequency shock waves to a rigid manifold from which a plurality of rigid filter tubes incorporate a fine mesh sleeve held tightly by spaced elastic bands against a uni... | 07/02/1985 |
| 4446030 | Liquid circulation and pressure tanks Liquid is circulated from bottom to top in a pressure tank by means of a gas pump including an upstanding pipe located within the tank and up through which gas is pumped at a pressure exceeding tank pressure to carry liquid which enters the pipe at the bo... | 05/01/1984 |
| 4391709 | Filter cake control method and apparatus Cake control members are mounted at the peripheries of filter leaves and filter tubes to confine the build-up of filter cakes and prevent the cakes from extending over the peripheries of the elements.... | 07/05/1983 |
| 4289630 | Filter cake removal method and apparatus The exhaust manifold in a pressure filter is spring mounted and vibrated along a vertical axis to dislodge filter cakes from filter tubes suspended from the manifold.... | 09/15/1981 |
| 4247394 | Filter element and method of use A filter element utilizes a perforate inner filter tube sock tightly fitted within an outer perforate support tube sock, the two socks being sealably mounted at their open ends to a tube sheet with the support tube held in tension by the pressure differen... | 01/27/1981 |
| 4180459 | Process of making agricultural product from organic sewage sludge An acidic organic agricultural product is made by conditioning organic sewage sludge with amounts of FeCl3 and sugar factory waste lime to provide an acidic conditioned sludge, of pH greater than 3.0 but less than 5.7 and then mechanically dewa... | 12/25/1979 |
| 4179378 | Filter leaf The hubs of adjacent rotary filter leaves are sealed together by means of a unitary, rigid ring which extends across the interface between the leaves and sealably engages annular gaskets mounted in circumferential grooves in the hubs.... | 12/18/1979 |
| 4135640 | Safety closure device for a pressure vessel The hold-down bolts on the cover of a pressure vessel cannot be loosened until a pressure relief valve has been opened to relieve the pressure in the vessel and to release a safety member positioned over the bolts.... | 01/23/1979 |
| 4098695 | Distributor-collector assembly An axially rigid, tubular grid is fitted over a conduit having a single longitudinal row of apertures; a fine mesh flexible tube is fitted over the grid; an end cap closes one end of the conduit and seals the tube thereto; and a tubular connection is thre... | 07/04/1978 |
| 4094790 | Distributor collector assembly An axially rigid, tubular grid is fitted over an apertured conduit; a fine mesh flexible tube is fitted over the grid with the ends of the tube being folded back over annular sealing gaskets disposed at the ends of the grid; and an end cap is threaded ont... | 06/13/1978 |
| 4073310 | Method and apparatus for controlling the liquid level above a solid bed There is described a process and apparatus which compares the pressure at the interface between the upper surface of a granular bed and the liquid in which it is submerged with the pressure above the liquid to maintain a predetermined head of liquid above... | 02/14/1978 |
| 4064045 | Filter cake removal method and apparatus The moisture content of filter cake removed from filter leaves is reduced by sluicing off peripheral portions of the cakes while the central portions of the cakes are held under compression against the filter leaves, and thereafter removing the remainder ... | 12/20/1977 |
| 3969215 | Process and apparatus for removing metallic ions from an electrolytic solution The present invention relates in general to a new and improved process and apparatus for removing metallic ions from an electrolytic solution, and it relates more particularly to a process and apparatus which may be used to economically purify an electrol... | 07/13/1976 |
| 3965000 | Method for operating ion exchange columns The invention relates to a method of operating columns filled with ion exchanger resins as well as an apparatus for carrying out the said method.... | 06/22/1976 |
