Bizarre Patents
A haircutting appliance comprises an enclosed housing having a hollow handle connecting the housing to a vacuum source to carry away cut hairs from a subject's head.
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 |
| 7325621 | Method and apparatus for ECP element inflation utilizing solid laden fluid mixture An inflatable element utilizing a solid or particulate laden fluid as an expansion media. A fluid component of the solid or particulate laden fluid is exhausted from a defined area of the element to leave substantially only particulate matter therein to maintain the... | 02/05/2008 |
| 7178603 | Method and apparatus for ECP element inflation utilizing solid laden fluid mixture An inflatable element utilizing a solid or particulate laden fluid as an expansion media. A fluid component of the solid or particulate laden fluid is exhausted from a defined area of the element to leave substantially only particulate matter therein to maintain the... | 02/20/2007 |
| 7096938 | Slip energized by longitudinal shrinkage A slip for an expanding hanger or patch is disclosed. The slip is mounted over the hanger body and has an internal profile that nests within a mating profile on the exterior of the hanger. When a compressive force is applied to the hanger, it shrinks longitudinally ... | 08/29/2006 |
| 7044231 | Expandable packer with anchoring feature An expandable packer or anchor is disclosed. It features a gripping device integral to or mounted in a sleeve over the mandrel. Upon expansion, a sealing element engages an outer tubular and the gripping device, such as wickers on slips, preferably digs into the out... | 05/16/2006 |
| 6776229 | Check enhancer A check enhancer for use in a well comprises a housing portion and an injector portion disposed in the housing portion. The housing portion includes an outer body defining a fluid cavity therein with a plurality of body ports in communication with the fluid cavity. ... | 08/17/2004 |
| 6655454 | Check enhancer for injecting fluids into a well A check enhancer for use in a well comprises an outer housing portion and an inner injector portion disposed in the housing portion. The housing portion includes an outer body defining a fluid cavity therein with a plurality of body ports in communication... | 12/02/2003 |
| 6328103 | Methods and apparatus for downhole completion cleanup A method of performing a downhole well completion cleanup is provided. In a described embodiment, completion fluids from a first zone are flowed into a tubular string, and then the fluids are discharged into a second zone. An apparatus usable in the metho... | 12/11/2001 |
| 5343946 | High pressure packer for a drop-in check valve A packer assembly for a drop-in check valve includes a series of stacked rings in the annulus between the housing of the drop-in check valve assembly and the surface of the bore of the landing sub. The rings include at least two elastomer rings of differe... | 09/06/1994 |
| 5058671 | Pipe insert assembly An assembly for installation within the end of a joint of casing or liner for use in a downhole environment where the casing or liner is disposed in the borehole which traverses earth formations. The assembly includes an annular split ring expander and an... | 10/22/1991 |
| 5058672 | Landing collar and float valve assembly An assembly for installation within the end of a joint of casing or liner for use in a downhole environment where the liner or casing is disposed in the borehole which traverses earth formations. The assembly includes an annular split ring expander and an... | 10/22/1991 |
| 4749036 | Dual bore well treating tool A dual bore well treating tool having a pressure operated valve therein that is useful in conjunction with a dual bore packer and with a dual bore on and off or connection tool. One of the bores through the on/off tool, the treating tool and the packer is... | 06/07/1988 |
| 4372390 | Well valve Disclosed are apparatus and method of closing a conduit against fluid flow in at least one longitudinal sense, and selectively disengaging and reengaging the closure mechanism without removing the closure mechanism from the conduit. In a particular embodi... | 02/08/1983 |
