|Rotary expansible chamber devices patents - Monitor Patents|
USPTO Class 418 | Browse by Industry: Previous - Next | All
05/2011 | Recent | 14: Mar | Feb | Jan | 13: Dec | Nov | Oct | Sep | Aug | Jul | Jun | May | Apr | Mar | Feb | Jan | 12: Dec | Nov | Oct | Sep | Aug | July | June | May | April | Mar | Feb | Jan | 11: Dec | Nov | Oct | Sep | Aug | Jul | Jun | May | Apr | Mar | Feb | Jan | 10: Dec | Nov | Oct | Sep | Aug | Jul | Jun | May | Apr | Mar | Feb | Jan | | 09: Dec | Nov | Oct | Sep | Aug | Jl | Jn | May | Apr | Mar | Fb | Jn | | 2008 | 2007 |
Rotary expansible chamber devices May archived by USPTO category 05/11Below are recently published patent applications awaiting approval from the USPTO. Recent week's RSS XML file available below.
Listing for abstract view: USPTO application #, Title, Abstract excerpt,Patent Agent. Listing format for list view: USPTO National Class full category number, title of the patent application. 05/26/2011 > 4 patent applications in 4 patent subcategories. archived by USPTO category
20110123378 - Screw pump rotor and method of reducing slip flow: A pump rotor for a screw pump includes a shaft, a first set of threads disposed on a portion of an outer surface of the shaft, at least one thread of the first set of threads including a groove disposed on an end portion thereof, and a ring seal disposed... Agent: General Electric Company
20110123379 - Variable displacement pump: A variable displacement pump includes a pump structural member configured to change volumes of a plurality of working chambers by rotation of a rotor, so as to introduce oil through an inlet port into the working chambers and to discharge the oil through a discharge port, and further configured to... Agent: Hitachi Automotive Systems, Ltd.
20110123380 - Pump: A progressive cavity pump is provided, having a stator section and a rotor section axially aligned with and surrounded by the stator section, a drive shaft connection section and a suction chamber, arranged between the stator section and the drive shaft connection section; wherein the suction chamber is configured such... Agent: Mono Pumps Limited
20110123381 - Compressor: The present invention provides a compressor, comprising: a stator (220); a cylinder type rotor (230) rotating within the stator (220) by a rotating electromagnetic field from the stator (220), with the rotor defining a compression chamber inside; a roller (242) rotating within the compression chamber of the cylinder type rotor... Agent:05/19/2011 > 5 patent applications in 3 patent subcategories. archived by USPTO category
20110116958 - Rotary engine expansion chamber apparatus and method of operation therefor: An engine is described for operation on a fuel expanding about adiabatically in a power stroke of the engine. To aid the power stroke efficiency, the rotary engine contains one or more of a rotor configured to rotate in a stator, the rotor offset along both an x-axis and a... Agent:
20110116960 - Stator inserts, methods of fabricating the same, and downhole motors incorporating the same: The present invention recites a downhole motor and method of manufacture wherein a mandrel having an outer geometry that is complimentary to a desired inner geometry for the stator is provided. A flexible sleeve is provided over the mandrel and the flexible sleeve and the mandrel are provided into a... Agent:
20110116961 - Stators for downhole motors, methods for fabricating the same, and downhole motors incorporating the same: The present invention recites a downhole motor and method of fabricating the same, wherein the method for fabricating a stator for a downhole motor includes the providing of a mandrel having an outer geometry that is complimentary to a desired inner geometry for the stator and the application of a... Agent:
20110116959 - Stators for downwhole motors, methods for fabricating the same, and downhole motors incorporating the same: The present invention recites a method of fabricating a stator for a downhole motor, the method comprising the steps of providing a stator tube having an interior surface and applying a bonding agent to the interior surface of the stator tube. Additionally, a mandrel is positioned within the stator tube,... Agent:
20110116962 - Geared motor assembly: A geared motor assembly comprises a rotation-transmitting shaft for transferring output rotation of a reducer on the front side of a motor to an output shaft sensor on the rear side of the motor. A front end portion of the rotation-transmitting shaft is securely bonded to a rotation output member... Agent: Harmonic Drive Systems Inc.05/12/2011 > 1 patent applications in 1 patent subcategories. archived by USPTO category
20110110810 - Compression apparatus with variable speed screw and method: An apparatus is provided for compressing a loose solid feedstock. The apparatus includes a two stage compressor. The first compression stage is a screw compressor. The second compressor stage is a reciprocating compressor. The reciprocating compressor operates co-axially with, and receives its feed from, the screw compressor. A choke cone... Agent: Sunopta Bioprocess Inc.05/05/2011 > 7 patent applications in 6 patent subcategories. archived by USPTO category
20110103987 - Pump system: The present invention provides a pump system comprising a bearing housing coupled to a pump liner, the pump liner defining a fluid conduit, the pump liner comprising a fluid inlet and a fluid outlet; and at least one rotor having a first rotor portion and a second rotor portion, the... Agent: General Electric Company
20110103988 - Compressor having capacity modulation system: A compressor may include a housing and first and second scroll members supported within the housing, each having an end plate with a spiral wrap extending therefrom and meshingly engaged with the other to form a series of compression pockets operating at an intermediate fluid pressure between a suction pressure... Agent: Emerson Climate Technologies, Inc.
20110103989 - Progressing cavity pump rubber reinforcement device for rotor alignment: A progressing cavity pump assembly utilizes a reinforced upper section of the stator rubber helix. The pump stator is located at the end of a string of tubing. The reinforced upper section of the stator rubber helix is strong enough, whether reinforced by mechanical means or by strengthening the rubber... Agent: Baker Hughes Incorporated
20110103990 - Scroll compressor: A scroll compressor is constructed by combining a stationary scroll and an orbiting scroll formed by erecting a scroll-shape wrap upright on a base plate meshing with each other. A scroll member constructing the stationary scroll or the orbiting scroll is constructed of an inner layer member 601 forming a... Agent: Hitachi Appliances, Inc.
20110103991 - Scroll fluid machine: A fixed scroll board 2 is attached to a casing 1. Three fixed wraps 2a are provided on the fixed scroll board 2. An eccentric bush 8 is rotatably supported by the casing 1. A pivot shaft 12 is eccentrically supported in an eccentric hole of the eccentric bush 8.... Agent: Richstone Limited
20110103992 - Gear pumps and methods for using gear pumps: Gear pumps and methods of using the gear pumps are provided. In general embodiments, the pumps comprise a gear housing defining a passage and having an inlet and an outlet and one or more gears contained within the gear housing. The gears can comprise corresponding bearings that are movably engaged... Agent:
20110103993 - Gear wheel with profile capable of meshing with semi-encapsulation in a geared hydraulic apparatus: A geared hydraulic apparatus comprises a pair of gear wheels which mesh with each other with semi-encapsulation. Each gear wheel has a plurality of teeth with a profile which falls within a band of tolerance of ±15, more preferably ±20, and even more preferably ±30 with respect to the height... Agent: Mario Antonio MorselliPrevious industry: Pumps
Next industry: Powder metallurgy processes
RSS FEED for 20140306:
Integrate FreshPatents.com into your RSS reader/aggregator or website to track weekly updates.
For more info, read this article.
Thank you for viewing Rotary expansible chamber devices patents on the FreshPatents.com website. These are patent applications which have been filed in the United States. There are a variety ways to browse Rotary expansible chamber devices patent applications on our website including browsing by date, agent, inventor, and industry. If you are interested in receiving occasional emails regarding Rotary expansible chamber devices patents we recommend signing up for free keyword monitoring by email.
Results in 0.24453 seconds