|FREE patent keyword monitoring and additional FREE benefits. REGISTER now for FREE|
USPTO Class 418 | Browse by Industry: Previous - Next | All
01/2008 | Recent | 08: Dec | Nov | Oct | Sp | Aug | Jul | Jun | May | Apr | Mar | Feb | Jan | | 07: D | N | O | S | A | J | J | M | A | M | F | J | | 06: 12 | 11 | 10 | 09 | 8 | 7 | 6 | 5 | 4 | Dec | Nov | | 2010 | 2009 |
Rotary expansible chamber devices January USPTO class listing 01/08Below 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. 01/31/2008 > patent applications in patent subcategories. USPTO class listing
20080025859 - Controlled thickness resilient material lined stator and method of forming: The present invention relates to a resilient material lined stator and method of forming. A method of forming a resilient material lined stator can include disposing a resilient material tube 400 with a profiled helical inner surface 401 into the bore of a body 420. A cast material 410 can... Agent: Schlumberger Oilfield Services
20080025858 - Composite dry vacuum pump having roots and screw rotor: A complex dry vacuum pump including a root rotor and a screw rotor is disclosed for manufacturing semiconductors and/or displays in a vacuum state in a process chamber, and discharging gaseous material and/or by-products generated during manufacturing to the exterior of the process chamber. The pump can provide high gas... Agent: Kelley Drye & Warren LLP
20080025860 - Two-stage rotary compressor: In a two-stage rotary compressor of the present invention, an oil supply hole connecting an oil reservoir on a bottom portion in a closed vessel to a suction port formed in a lower supporting member is provided in the lower supporting member attached to the lower side of a high... Agent: Weingarten, Schurgin, Gagnebin & Lebovici LLP
20080025861 - Sliding element and fluid machine: A lubrication part serving as a bearing metal is provided in a scroll compressor at a sliding part between a cylindrical part of a slide busing and an extension of a movable scroll. An inner periphery of the lubrication part is formed so that its iron substrate is given a... Agent: GlobalIPCounselors, LLP
20080025862 - External toothed wheel pump comprising a relieving pocket: An external toothed wheel pump, comprising a delivery chamber comprising an inlet and an outlet for a fluid; a first feed wheel and a second feed wheel which can be rotationally driven for delivering the fluid and are in a toothed engagement with each other which separates the outlet from... Agent: Ratnerprestia01/24/2008 > patent applications in patent subcategories. USPTO class listing
20080019855 - Controller for motor: A controller for a motor cleans, as necessary, a hydraulic chamber that generates hydraulic oil for changing a phase difference between two rotors so as to restrain sludge from building up in the hydraulic chamber. A motor has a first rotor and a second rotor that can be relatively rotated... Agent: Arent Fox LLP
20080019856 - Electric pump: A pump case of an electric pump is constructed by coupling a first pressed member formed with a cylindrical part for holding a first rolling ball bearing rotatably supporting a rotary shaft, and a second pressed member formed with a recess for receiving an inner rotor provided at a tip... Agent: Mcginn Intellectual Property Law Group, PLLC01/17/2008 > patent applications in patent subcategories. USPTO class listing
20080014107 - Pump: A positive-displacement pump having an eccentrically positioned internal ring gear and pinion within a pump housing. Pressurized operating fluid is provided by the pump to actuate an actuation piston of a clutch unit, such as a double clutch unit. The clutch unit is drivingly coupled with the pump for movement... Agent: Alfred J Mangels
20080014108 - Vane cell pump: The present disclosure relates to a vane cell pump (12) which includes an internal rotor (16) and a plurality of vanes (20) which are displacably mounted in a radial manner in the internal rotor, essentially, in radial slots (18) and are directly or indirectly guided on the internal circumferential surface... Agent: Brinks Hofer Gilson & Lione01/10/2008 > patent applications in patent subcategories. USPTO class listing
20080008612 - Muffler of scroll compressor: Disclosed herein is a muffler of a scroll compressor. The muffler includes a first muffler having a pair of chambers defined above an outlet of a fixed scroll to communicate with the outlet and a gas passage hole formed at the center of an upper end thereof, and a second... Agent: Greenblum & Bernstein, P.L.C
20080008614 - Horizontal type scroll compressor: In a horizontal type scroll compressor discharging compressed gas from a discharge pipe provided in a sealed container in which a compressor mechanism portion and an electric motor portion are stored, for preventing a refrigerator oil from flowing out of a compressor, for supplying an oil in an oil holding... Agent: Antonelli, Terry, Stout & Kraus, LLP
20080008613 - Oil supply structure of scroll compressor: Disclosed herein is an oil supply structure of a scroll compressor. The oil supply structure is provided to prevent a slender hole of an oil supply screw from being clogged with sludge, the oil supply screw being provided between a backpressure space, which is defined between an orbiting scroll and... Agent: Greenblum & Bernstein, P.L.C
20080008611 - Stator clamping device for eccentric screw pump: The invention relates to a clamping device which clamps the pump stator with the pump housing and an additional pump end part. The width of the clamping bars is at least 20% of the cross section of the pump stator in order to stabilise the clamping device and the simplify... Agent: St. Onge Steward Johnston & Reens, LLC
20080008615 - Pump: A pump, in particular a vacuum pump for motor vehicles, wherein a rotor with at least one vane is mounted inside a pump housing, the rotor being rotatably driven by the combustion engine of the motor vehicle via a coupling device. An intermediate element is arranged between the rotor and... Agent: Davidson, Davidson & Kappel, LLCPrevious industry: Pumps
Next industry: Powder metallurgy processes
RSS FEED for 20141113:
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 0.25754 seconds