Did You Know...
...that two musicians were responsible for the invention of color print film? Fascinated by photography, Leopold Godowsky and Leopold Mannes worked together to produce an easy-to-use, practical color film. They worked full time as music teachers and gave concerts while experimenting during their off hours in Mannes' kitchen. Their success earned them full-time, well-paying jobs at Kodak and their efforts resulted in Kodachrome film, which was introduced in 1935.
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 |
| 7128154 | Single-direction cementing plug The present invention generally relates to apparatus and methods for completing a well. Particularly, the present invention relates to a single-direction plug for use with cementing applications and with drilling with casing applications. One embodiment comprises a ... | 10/31/2006 |
| 6651737 | Collar load support system and method A wellbore tubular handling system and method is provided for operation in holding and lowering tubulars, such as tubing strings, casing strings, pipe strings, and the various components thereof, at a rig site. The handling system utilizes a shock table w... | 11/25/2003 |
| 6640893 | Wellbore packer The invention relates to a packer for a wellbore, comprising a central tubular element (7) covered by a deformable peripheral sleeve (5). Fluid is injected inside the tubular element under pressure in order to form said sleeve (5) and to apply it to the w... | 11/04/2003 |
| 6065542 | Adjustable hanger for tubular strings An adjustable tubular hanger for suspending a tubular string from a wellhead component is provided which includes an elongated body having a lower end adapted to be connected to the tubular string and an upper end portion including a plurality of axial an... | 05/23/2000 |
| 5901787 | Metal sealing wireline plug A plug for creating a pressure barrier within an oil or gas well comprises a plug body (5) and a metal primary seal element (7) having a frusto-conical seal face (7A) adapted to engage a corresponding seal surface of a profiled well conduit to create a me... | 05/11/1999 |
| 5078211 | Plastic packer This invention is a packer which is a short pipe designed to attach to a screen or filter device at one end. The other end is designed to attach to the well pipe or nipple extension or provide a seat for a submersable pump. On the outside of the pipe are ... | 01/07/1992 |
| 5048605 | Packing-seal for boreholes The packing-seal is shown in use in a borehole as a level-isolating seal for a groundwater sampler. The packing-seal shown includes an expandable annulus of Dowell (TM) water-expandable material. Surrounding that is a pressure-sleeve of rubber. A sheet of... | 09/17/1991 |
| 4730670 | High temperature packer for well conduits A packer for effecting steam treatment of a production formation of a subterranean well comprises an insulated mandrel which is slidably inserted within the bore of an inner tubular body assembly. An outer operative tubular assembly surrounds the inner as... | 03/15/1988 |
| 4343357 | Downhole surge tools Downhole surge tool for completion and/or reworking of fluid-bearing wells, adapted to connection with the downhole end of a dry tubing string, the tool being actuated to provide an instantaneous full opening into the tubing of surging fluids and particul... | 08/10/1982 |
| 4127168 | Well packers using metal to metal seals An improved well packer for use in sour gas wells is disclosed. The improved packer includes a cylindrical mandrel encircled with a resilient metal seal ring, means for anchoring the packer at a predetermined vertical depth, means for radially expanding t... | 11/28/1978 |
