"The abolishment of pain in surgery is a chimera. It is absurd to go on seeking it...knife and pain are two words in surgery that must forever be associated in the consciousness of the patient."
Dr. Alfred Velpeau, French surgeon ; 1839
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 |
| 7230673 | Lithographic apparatus, reticle exchange unit and device manufacturing method A reticle exchange unit for moving a reticle in a lithographic apparatus is disclosed. The surface of the reticle is protected by a pellicle attached thereto by a gas permeable pellicle frame. The reticle exchange unit includes a reticle preparation chamber, a retic... | 06/12/2007 |
| 7108894 | Direct Write™ System Methods and apparatus for the deposition of a source material (10) are disclosed. An atomizer (12) renders a supply of source material (10) into many discrete particles. A force applicator (14) propels the particles in continuous, paralle... | 09/19/2006 |
| 6436172 | Method for separating condensable substances from gases or gas mixtures The present invention is a method for separating condensable substances from gases or gas mixtures with the use of porous materials including the steps of employing as adsorbents substances or materials suitable for capillary condensation and cyclically p... | 08/20/2002 |
| 5897850 | Process for removing elemental sulfur from a gas stream A process for the recovery of sulfur from a hydrogen sulfide containing gas, comprising oxidizing hydrogen sulfide with oxygen, and then reacting the product gas of this oxidation further by using at least two catalytic stages. The H2 S concent... | 04/27/1999 |
| 5844111 | Method for purifying an inert gas while preparing lower alkyl esters A process for purifying an inert gas stream from a transesterification reaction wherein a lower alkyl alcohol is released during the reaction is claimed. A second use of the process is to make a lower alkyl, e.g., methyl, esters of fatty acids through a t... | 12/01/1998 |
| 5807410 | Process for removing elemental sulfur from a gas stream The invention relates to a process for removing elemental sulfur which is present in a gas in the form of vapor and/or entrained particles, in which process the gas to be treated is cooled. The gas to be treated is introduced into a heat exchanger at the ... | 09/15/1998 |
| 5658373 | Air cleaning methods for mechanical industrial process An air cleaning system for treating contaminated air from a mechanical industrial process containing a heterogenous multi-component mixed density fluid (e.g., mist, vapor and/or smoke) that addresses the cloud-like behavior of this contaminated air. The a... | 08/19/1997 |
| 5503661 | Method and device in a filter valve A method and a device are provided for cutting off a gas flow through a filter element in a ceramic filter of high-temperature type upon breakage of the filter element, wherein a pulling member which is fixed to the lowermost part of the filter element ca... | 04/02/1996 |
| 5437799 | Method and interface valve for separating a fluid The invention concerns a method and an interface valve for the purpose of the separation of fluids where the separation process proceeds under control and quasi static and quickly on an extended surface and affords minimal expenditure of energy. By insert... | 08/01/1995 |
| 5413714 | Process for biological remediation of vaporous pollutants This invention relates to a process for remediating vaporous pollutants which comprises passing a vaporous stream containing one or more of pollutants through a bioreactor, the bioreactor comprising a plurality of biologically active bodies, the biologica... | 05/09/1995 |
| 5238468 | Collection device for gaseous emissions A collection device (10) for gaseous emissions which comprises a collector body (20) having a hollow interior (33) and an inner wall (22) shaped to conform to a portion of the outer periphery of the open top (14) of a material supply container (12). The i... | 08/24/1993 |
| 5141528 | Separator docking system A separator, for example of the type used for the separation of hazardous materials, is docked to an industrial vacuum source, such as a truck mounted industrial vacuum loader, utilizing a docking system adapted to provide ease of attachment and separatio... | 08/25/1992 |
| 4877419 | Stripping and depressurization of solids and gas mixture An apparatus and method for stripping and depressurizing fine particulates mixed with gas discharged from a vessel operated at elevated temperature and pressure conditions to a low pressure vessel using a purge gas injected into a conduit designed for sig... | 10/31/1989 |
| 4857085 | Process for abatement of asbestos fibers A treatment area, such as a room, is sealed off from air flow communication with an outside environment whereupon cyanoacrylate is vaporized and fumed through a heating medium at a prescribed temperature throughout the treatment area. Upon cooling of the ... | 08/15/1989 |
| 4821737 | Water separator A water separator is disclosed for removing water from a minute flow of gas/water sampled from a patients exhalation and prior to the gas being introduced into an analyzer. The separator comprises a housing with an inlet, an outlet, and a pair of chambers... | 04/18/1989 |
| 4689052 | Virtual impactor Disclosed is a virtual impactor for separating particles of a predetermined size range from an aerosol, and for transporting the separated particles from the region they are separated from the aerosol to an analysis/collection region remote therefrom. The... | 08/25/1987 |
| 4231763 | Exhaust gas pollution control system An exhaust gas pollution control system (10) for purification of exhaust gases passing from a combustion chamber. The control system (10) includes a housing element (14) which extends in a longitudinal direction (12). The housing element (14) encompasses ... | 11/04/1980 |
| 4179272 | Laser isotope separation using selective inhibition and encouragement of dimer formation Method and apparatus for inhibiting dimer formation of molecules of a selected isotope type in a cooled flow of gas to enhance the effectiveness of mass difference isotope separation techniques. Molecules in the flow containing atoms of the selected isoto... | 12/18/1979 |
| 4070162 | Method of agglomerating particles in gas stream The separation characteristics of particles entrained in a particle-laden gas for separation by the commonly used methods for removing particles from a gas stream are improved by injecting finely divided urea into the gas stream prior to its passage throu... | 01/24/1978 |
| 4039411 | Isotope separation using vibrationally excited molecules A system for isotope separation or enrichment wherein molecules of a selected isotope type in a flow of molecules of plural isotope types are vibrationally excited and collided with a background gas to provide enhanced diffusivity for the molecules of the... | 08/02/1977 |