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Chen, Richmond

Chin Chuan Chen, Richmond CA

Patent application numberDescriptionPublished
20100124735HAND-HELD PERSONAL PLANETARIUM - Method and apparatus are provided for a hand-held planetarium which displays a sky pattern comprising graphical representations of one or more celestial objects. A sensing system comprising one or more sensors provides information about an orientation of the device. A controller receives the information about the orientation of the device from the sensing system and determines therefrom an altitude angle of a pointing axis and an azimuthal angle of the pointing axis. The controller accesses a database of celestial objects and determines, from within the database, one or more selected celestial objects for display based at least in part on a measure of proximity of the celestial objects to the pointing axis. Graphical representations of the one or more selected celestial objects are displayed on a display screen. The planetarium may switch between a normal orientation mode and a downward facing orientation mode.05-20-2010

Moxian Chen, Richmond CA

Patent application numberDescriptionPublished
20100300099AIR-MEDIUM POWER SYSTEM - A system and method for generating power using air as the working medium. External air is compressed by an air compressor and heated by a heat exchanger and then used to cause rotation of an air turbine. The air is then mixed with fuel in a combustion chamber to allow for combustion. The resulting combustion gas is used by the heat exchanger to heat the incoming external air.12-02-2010

Paul Chen, Richmond CA

Patent application numberDescriptionPublished
20100190618Adjustable dumbbell - An adjustable barbell or dumbbell or exercise device includes a handle having a narrowed neck segment formed on each end portion and having a base plate attached to each end portion, two or more weight members each having a slot for receiving the narrowed neck segment of the handle, and each having an enlarged opening communicating with the slot for receiving the handle and for retaining the weight members to the handle when the weight members are offset from the narrowed neck segment of the handle, and a sliding member slidably attached onto each end of the handle for engaging with the weight members after the weight members have been disengaged from the narrowed neck segment of the handle and for retaining the weight members to the handle.07-29-2010
20100190619Adjustable kettlebell - An adjustable kettlebell includes a shaft having a narrowed neck segment formed on one end portion and having a base plate attached to the other end portion, two or more weight members each having a slot for receiving the narrowed neck segment of the shaft, and each having an enlarged opening communicating with the slot for receiving the shaft and for retaining the weight members to the shaft when the weight members are offset from the narrowed neck segment of the shaft, and a sliding member is slidably attached onto the shaft for engaging with the weight members after the weight members have been disengaged from the narrowed neck segment of the shaft and for retaining the weight members to the shaft.07-29-2010
20110143888PHYSICAL EXERCISING MACHINE - A physical exercising machine includes a carrier having a platform to support a user, a lever attached to the carrier and inclined relative to the carrier and the base, a pivotal coupling mechanism pivotally coupled between the base and the carrier for horizontally moving the carrier and the user up and down relative to the base, a follower slidably engaged with the base and the lever for moving the platform and the user up and down relative to the base when the follower is moved along the inclined lever, and a cable coupled to the follower and having two end portions engaged through two openings of the platform for being pulled by the user and for actuating the follower to move the platform and the user up and down relative to the base.06-16-2011
20110143889PHYSICAL EXERCISING MACHINE - A physical exercising machine includes a base and a carrier, a lever attached to the carrier and inclined relative to the carrier and the base, a pivotal coupling mechanism pivotally coupled between the base and the carrier for horizontally moving the carrier and the user up and down relative to the base, a follower slidably engaged with the base and the lever for moving the platform and the user up and down relative to the base when the follower is moved along the base and along the inclined lever, and a cable coupled to the follower and having two end portions for being pulled by the user and for moving the follower to engage with the lever and to move the platform and the user up and down relative to the base.06-16-2011
20110162136Portable water pool for exercise device - A water pool combination includes a foldable construction having a rear member extended from a base member, an upper member pivotally coupled to the rear member, a front member pivotally coupled to the base member and coupled to the upper member, one or more lock members selectively locking the front member to the upper member for forming a three-dimensional chamber in the construction, the front member and the upper member are foldable relative to the base member and the rear member to a tilted position, an insert is engaged into the construction for receiving a water, and an exercise device is disposed in insert for conducting an in-water exercise operation.07-07-2011

Patent applications by Paul Chen, Richmond CA

Peilin Chen, Richmond, CA US

Patent application numberDescriptionPublished
20100273219MULTI-PRIMER AMPLIFICATION METHOD FOR BARCODING OF TARGET NUCLEIC ACIDS - In certain embodiments, the present invention provides amplification methods in which nucleotide tag(s) and, optionally, a barcode nucleotide sequence are added to target nucleotide sequences. In other embodiments, the present invention provides a microfluidic device that includes a plurality of first input lines and a plurality of second input lines. The microfluidic device also includes a plurality of sets of first chambers and a plurality of sets of second chambers. Each set of first chambers is in fluid communication with one of the plurality of first input lines. Each set of second chambers is in fluid communication with one of the plurality of second input lines. The microfluidic device further includes a plurality of first pump elements in fluid communication with a first portion of the plurality of second input lines and a plurality of second pump elements in fluid communication with a second portion of the plurality of second input lines.10-28-2010

Techien Chen, Richmond CA

Patent application numberDescriptionPublished
20120085529ENHANCED PERMEABILITY SUBTERRANEAN FLUID RECOVERY SYSTEM AND METHODS - A system for recovering a fluid from a subterranean formation, including a production wellbore having a substantially horizontal production length extending through the formation, and a trench extending through the formation. A method of constructing a trench section in a subterranean formation, including providing within the formation an access wellbore having a substantially horizontal access wellbore length, introducing a trench cutting tool into the access wellbore, and advancing and retracting the trench cutting tool through the access wellbore in order to cut slots in the formation in a trench direction away from the access wellbore, repeatedly until a number of slots required to complete the trench section has been cut.04-12-2012

Yiyan Chen, Richmond, TX US

Patent application numberDescriptionPublished
20090149352Viscoelastic Surfactant Fluid Systems Comprising An Aromatic Sulfonate and Methods of Using Same - Methods of improving shear recovery time of viscoelastic surfactant fluid systems are described, one method involving providing a viscoelastic surfactant fluid system comprising a major portion of a surfactant and a rheology enhancer in a concentration sufficient to shorten shear recovery time of the fluid system compared to shear recovery time of the fluid system absent the rheology enhancer, the rheology enhancer selected from aromatic sulfonates having a molecular weight of at least 500; and injecting the fluid system down a well. The rheology enhancer may be a lignosulfonate derived from wood pulping. Viscoelastic surfactant systems including the rheology enhancer are also described.06-11-2009
20100163228INTERNAL BREAKER FOR OILFIELD TREATMENTS - A composition and method for improving the fluid efficiency of many oilfield treatments is given. The composition is a solid additive, in a viscosified fluid, in a size range small enough that it enters formation pores; it optionally bridges there to form an internal filter cake, and then decomposes to provide a breaker for the viscosifying system for the fluid. Examples of suitable additives include waxes, polyesters, polycarbonates, polyacetals, polymelamines, polyvinyl chlorides, and polyvinyl acetates. Degradation of the additive may be accelerated or delayed.07-01-2010

Patent applications by Yiyan Chen, Richmond, TX US

Yong Ling Chen, Richmond CA

Patent application numberDescriptionPublished
20100060571KVM SWITCH USING A TOUCH SCREEN - A KVM switch system having a touch screen for interacting with multiple computers is disclosed. The KVM switch processes coordinate data from the touch screen and transfers the processed data to the controlled computer either as absolute mouse coordinate data or as relative mouse coordinate data depending on the operating system (Windows, Mac OS, SUN, etc.) and mouse data interface (USB, PS/2, etc.) used by the computer. Thus, the touch screen can interact with all computers connected to the KVM switch, achieving a multi-platform and multi-interface application without requiring device drivers on the computers. The KVM switch stores necessary parameters for each computer so that when switching from one computer port to another, or when the display resolution of the computer changes, processing of the touch screen data is automatically adjusted accordingly. The touch screen also works within the OSD of the KVM switch.03-11-2010