Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 6383395 | Water treatment method and apparatus A media is used to remove species from aqueous solutions, particularly in the treatment of water to enable it to be suitable for drinking. The media includes a material selected from the group consisting of zirconium hydroxide, titanium hydroxide, hafnium... | 05/07/2002 |
| 6221245 | Non-chemical scale prevention and chlorine removal water filter A water filtration system for preventing scale and removing chlorine includes a vertically oriented elongated pressure vessel 11 having a fitting at the upper end thereof. The fitting includes a passage 30 for directing water into the pressure vessel and ... | 04/24/2001 |
| 5958173 | Method of fabricating a filter screen A method is provided for fixedly joining a cloth, a cloth-like fabric or a synthetic mesh to a rigid or semi-rigid hub to form a seal, which secures the cloth, the cloth-like fabric or the synthetic mesh to the hub by enclosing the edge of the material be... | 09/28/1999 |
| 5437796 | Plate module and its use for separting fluid mixtures A plate module and its use for separating fluid mixtures according to the methods of pervaporation and vapor permeation is comprised of a feed plate, a cover plate, a gasket, and a membrane to define at least one feed compartment and one permeate compartm... | 08/01/1995 |
| 5268093 | Portable water purification system A manually operable water purification system which includes (i) a first container having an open end and an outlet orifice, (ii) a filter operably positioned within the first container for filtering contaminated water placed within the first container as... | 12/07/1993 |
| 4995972 | Method and apparatus for removing liquid from permeable material Disclosed herein are a method and apparatus for removing liquid from a permeable material, such as slurries, sludges, porous solids and permeable foams. The method and apparatus involve constraining the material to be deliquified such that the material in... | 02/26/1991 |
| 4765891 | Helical flow effluent weir Apparatus for purifying a liquid containing suspended solids comprising a walled vessel which is closed at the bottom and side and has an upper circular horizontal portion thereby defining a chamber; a conduit for feeding a liquid containing suspended sol... | 08/23/1988 |
| 4552660 | Plate filter having a movable filter cloth A plate filter comprises a plurality of shiftable filter plates and first and second deflecting rolls carried on opposite sides of each filter plate. The axes of consecutive first deflecting rolls lie alternatingly in a first plane and in a second plane s... | 11/12/1985 |
| 4428425 | Single pass filtration of oil or gas well completion fluids A single pass filtration process for the removal of suspended solids from completion fluids used in oil or gas well drilling operations which utilizes pressure injection of these fluids into a filter having pattern filter plates.... | 01/31/1984 |
