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 |
| 7870897 | Dual function cleaning tool A cleaning tool for cleaning a liner top in a well bore. The tool includes cleaning elements, typically scrapers, which are arranged eccentrically to an axial bore through the tool. The elements are biased outwardly to contact an inner surface of a polished bore rec... | 01/18/2011 |
| 7143829 | Downhole tool A downhole tool for conditioning a casing or liner. The tool includes blades having a a circumferential peripheral edge for 360 degree contact with the casing or liner and are formed from a composite material which comprises a polymeric fiber. Such polymeric fibers ... | 12/05/2006 |
| 7121343 | Selectively operational cleaning tool A downhole cleaning tool (10) for oil and gas wells. Brushes, scraper, wipers (32) and the like are mounted on a sleeve (14) over a tubular body (12), and the members successively moved towards and away from an inner surface of a tubular ... | 10/17/2006 |
| 6758275 | Method of cleaning and refinishing tubulars A method for cleaning and/or altering an inside surface and shape of a tubular in a wellbore. The method includes placing a surface finishing tool in the tubular, energizing the surface finishing tool, and causing extendable assemblies therein to extend radially to ... | 07/06/2004 |
| 6679325 | Minimum clearance bow-spring centralizer A centralizer apparatus for centralizing tubular casing in a borehole having two stop collars for securing to the casing in a spaced apart relationship and two moving collars, one slidably and rotatably coupled to each stop collar, a plurality of bow spri... | 01/20/2004 |
| 6152221 | Apparatus with retractable cleaning members Apparatus for cleaning the inside walls of a pipeline, well casing or other tubing, comprises a supporting structure upon which are supported one or more cleaning members, and retraction means for controllably retracting the cleaning members so as to avoi... | 11/28/2000 |
| 6070677 | Method and apparatus for enhancing production from a wellbore hole An apparatus for enhancing production from a wellbore hole may include a body member having at least one cutting assembly. Each cutting assembly may have an upper, middle, and lower cutting arm. The cutting arms are hingedly connected to one another. An u... | 06/06/2000 |
| 5351758 | Tubing and profile reaming tool A method and apparatus for reaming foreign deposits from the flow passage of well production tubing and cleaning deposits from the completion profiles within the tubing as well as for drifting the production tubing while located within a well bore. A ream... | 10/04/1994 |
| 5348086 | Combination downhole tool A combination clean-out and fishing tool for use under rotary power in a well bore. The tool is adapted for connection to the drill string by means of an elongated connector sub. The connector sub then carries a cylindrical sleeve thereon which houses a c... | 09/20/1994 |
| 5168929 | Method and apparatus for removal of oil well paraffin An oil well tool and method for its use for removing accumulated deposits along an oil well tubing in a downhole pump operated oil well is disclosed. The tool when in use is untethered and adapted to be lowered through an oil well tubing under its own wei... | 12/08/1992 |
| 5076365 | Down hole oil field clean-out method A clean-out tool system for use with a oil well production tubing extending downward through a casing terminating in a production zone in the well bore, which zone is isolated by a packer and includes flow restricting debris to be cleaned out. A generally... | 12/31/1991 |
| 5000260 | Casing scraper A casing scraper is provided for scraping foreign materials from the inside of pipe casing and other tubular members. The casing scraper is comprised of a central mandrel supporting a plurality of longitudinally and circumferentially extending scraper bla... | 03/19/1991 |
| 4892145 | Well casing cleaning assembly A well casing cleaning assembly includes a cylindrical mandrel in which a spiral arrangement of transverse drillings is formed each of the drillings receiving a coiled spring intermediate the bases of exteriorly projecting knife blades. A set of arcuate p... | 01/09/1990 |
| 4842082 | Variable outside diameter tool for use in pikewells An apparatus for use in energy exploration is disclosed which is used where a radially expanding device is required, for example in a stabilizer, retriever or an underreamer. The apparatus comprises a support tubular member for connection to a drilling st... | 06/27/1989 |
| 4838354 | Down hole oil field clean-out method A clean-out tool system for use with a oil well production tubing extending downward through a casing terminating in a production zone in the well bore, which zone is isolated by a packer and includes flow restricting debris to be cleaned out. A generally... | 06/13/1989 |
| 4809779 | Arrangement for cleaning internal surface of casing strings An arrangement for cleaning the internal surface of casing strings, comprises a hollow cylindrical body with slots provided around the periphery thereof. The slots accommodate extendable cutting blades. The cutting blades are moved with the aid of walls o... | 03/07/1989 |
| 4706748 | Pipe scraping device A device for scraping the inside of pipes clogged with foreign materials is comprised of (1) a mandrel having a conical cam whose top is attached to a mechanical power source and around which is mounted (2) a plurality of annularly expandable scraper elem... | 11/17/1987 |
| 4671355 | Wash tool for stimulating oil wells A wash tool for stimulating oil wells having brushes and/or blades mounted to retractable tool blocks, whereby the brushes or blades can be introduced in the well out of contact with the well liner, and thereafter extended into contact with the liner.... | 06/09/1987 |
| 4452307 | Reamer A reamer for removing paraffin, scale, ice and other accumulations from the inside surfaces of oil well pump tubing and casing and loosening tubing in a well, which includes a hollow shell or housing having a tapered base, which in a preferred embodiment ... | 06/05/1984 |
| 3981364 | Well tubing paraffin cutting apparatus and method of operation Apparatus for use in removing paraffin from a well tubing string above a wireline operated subsurface safety valve assembly installed in the tubing string and its method of operation. The safety valve assembly controls the flow of production oil and/or ga... | 09/21/1976 |
