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| Number | Title | Issue Date |
| 7793564 | Parallel mechanism having two rotational and one translational degrees of freedom A parallel mechanism which has a holding bracket; a movable platform; and three branch joint assemblies of the same structure that are spatially arranged symmetrically about an axis disposed between the holding bracket and the movable platform. Each branch joint ass... | 09/14/2010 |
| 7090458 | Planar parallel robot mechanism with two translational degrees of freedom A linkage mechanism for a pick and place robot includes two rotatable drive members mounted on a base and connected to a platform by a respective two element linkage. The mid point of the two element linkage has a bell crank, the arms of which are connected to first... | 08/15/2006 |
| 5759942 | Ion exchange resin catalyst for the synthesis of bisphenols and the process for preparing the same An ion exchange resin catalyst containing sulfonated styrene-divinylbenzene copolymer, a porous structure with micropore area and transfer pass networks, the transfer pass network is composed of main pass networks and branch pass networks, in non-swollen ... | 06/02/1998 |
| 5679312 | Multiple stage suspended reactive stripping process and apparatus A reactive stripping process for continuously carrying out chemical reactions while separating the reactants from the reaction products is provided. The process comprises passing liquid reactants and an inert stripping gaseous stream in a reactor column (... | 10/21/1997 |
| 5663456 | Method for obtaining large crystals with high purity by destructing part of fines in slurry in a crystallizer The present invention provides a method, which can be operated continuously and has a wide scope of application, for destructing part of fines in slurry in a crystallizer to obtain large crystals having high purity and large crystal size, characterized in... | 09/02/1997 |
| 5648561 | Process for the production of high purity and ultrapure bisphenol-A High purity and ultrapure bisphenol A is prepared in a novel process.... | 07/15/1997 |
| 5629457 | Dephenolizing process for production of high-quality polycarbonate grade bisphenol A A process for producing high-quality polycarbonate grade bisphenol A directly by removing phenol from the adduct crystal of bisphenol A with phenol via a gas-solid reaction at low temperature comprises directly feeding the adduct crystal into a vacuum or ... | 05/13/1997 |
| 5226747 | Adaptive control artificial wavemaking device An adaptive control artificial wavemaking device comprises an air blower as shock wave source. According to the invention, the device further comprises a control system consisted of a float, a sensor, a control circuit and electromagnetic actuators; butte... | 07/13/1993 |
| 4762104 | Tj-jet chamber of gasoline engine A combustion chamber with a number of jet hole bores that communicate with the clearance space of the cylinder of an internal combustion engine. When the carburated mixture in the combustion chamber is ignited, the flame front bifurcates into a first port... | 08/09/1988 |