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238results about How to "Reduce attachment" patented technology

Coating and/or treating hydraulic fracturing proppants to improve wettability, proppant lubrication, and/or to reduce damage by fracturing fluids and reservoir fluids

Surface modified oil and gas well hydraulic fracturing proppants for improving wettability, altering chemical reactivity, altering surface topography, imparting lubricity or controlling relative permeability to flow of fluids of such proppants. The use and preparation of such coated proppants in hydraulic fracturing of subterranean formations is also described.
Owner:CARBO CERAMICS

Method and system for authenticating a message sender using domain keys

A method and system is directed to providing authentication of a message, such as email, and the like, by combining Public Key encryption and the Internet Domain Name System (the “DNS”). A domain owner may validate that an email originates from an authorized sender within their domain by using a private key component to digitally sign email outbound from its domain. Employing a public key component, along with a selector, an email recipient may check the validity of the signature, and thus determine that the email originated from a sender authorized by the domain owner. In one embodiment, the public key component used to verify an email signature may be “advertised” or otherwise made available via a TXT record in the DNS.
Owner:YAHOO ASSETS LLC

Stage apparatus and application processing apparatus

A stage apparatus in which a rectangular substrate which is levitated over a stage is transferred such that a pair of sides of the rectangular substrate are substantially parallel to a transfer direction and the other pair of sides of the rectangular substrate are substantially perpendicular to the transfer direction. The stage includes a plurality of gas spray ports to spray a gas and a plurality of suction ports to attract the rectangular substrate by suction. The rectangular substrate is levitated at a predetermined height from the surface of the stage in a substantially horizontal posture by means of suction of a suction mechanism through the plurality of suction ports and gas spray of a gas spray mechanism through the plurality of gas spray ports. The plurality of suction ports are arranged on the stage such that, when the rectangular substrate is being transferred over the stage, the leading end of the rectangular substrate in the transfer direction does not simultaneously cover not less than a predetermined number of suction ports and the trailing end of the rectangular substrate in the transfer direction does not simultaneously open not less than a predetermined number of suction ports to the atmosphere, so as for variations in suction pressure in the suction ports to fall within an allowable range.
Owner:TOKYO ELECTRON LTD

Laser processing apparatus and laser processing method, debris collection mechanism and debris collection method, and method for producing display panel

A laser processing apparatus is provided for patterning with laser light a resin film or a metal film formed on a substrate. The apparatus includes a laser light source; and a debris collection device having a transmission window through which the laser light is transmitted, a vortex generation mechanism generating a vortex gas flow by allowing gas to flow into a region near a laser light-irradiated area of the resin film or the metal film, and a screening device having an opening through which the incident laser light passes and screening a flow of debris. The mechanism is placed close to the resin film or the metal film on the substrate. Debris generated by laser light irradiation and before and after being stacked on the object film is entrained in the vortex gas flow generated by the vortex generation mechanism and is exhausted to outside through the screening device.
Owner:SONY CORP

Rolling plate assembly attachment for portable power cutting tools including an improved structural design and manufactured out of improved materials, an improved wheel configuration, and an adjustable bevel gear and a cutting guide

ActiveUS8209872B1Facilitate safe rolling movementFacilitates strong weightMetal sawing devicesMetal sawing accessoriesFiberPortable power
The present invention is an attachable rolling plate assembly which can be attached as a single unit to a portable cutting tool to facilitate the safe rolling movement of the portable cutting tool on the workpiece. The invention comprises a frame assembly formed from a single piece of molded material such as fiber enriched plastic having a pair of oppositely disposed longitudinal sidewalls with stabilizer fins extending therefrom, and a flat base portion having a pair of parallel stabilizer tubes molded therein. The invention further includes an adjustable bevel gear assembly by which the angle of orientation of the cutting blade can be quickly changed. The invention also includes a cutting guide assembly to facilitate a straight cut, reduce torsional rotation of the saw blade and reduce kickback of the saw.
Owner:CIRCSAW TECH LLC

Paper feeder and image forming apparatus including the same

In a paper feeder, an air hole that allows air to pass through is formed on a paper transport belt, a fan for breathing and exhausting air and an exhaust duct having an opening for exhausting air. Air is exhausted from the fan through the exhaust duct, the fan and an air intake duct for breathing air are connected to each other, and air is breathed from the air hole through the air intake duct towards the fan. This paper feeder includes: an air state detection unit for detecting at least one of an air pressure and an air flow rate in the air intake duct; an opening and closing unit provided to the air intake duct for opening and closing the opening; and a control unit for opening and closing the opening based on a result of detection by the air state detection unit.
Owner:SHARP KK

Surface modification for dialysis catheters

Catheters and a method of preparation thereof, the catheter comprising a catheter body, a juncture hub, extension lines and connectors, the catheter body having a proximal end, a distal end, an exterior surface, a tip region having a length of 10 cm measured from the distal end of the catheter body, and at least two lumen, each of the catheter body lumen having a proximal end, a distal end, a Lumen Aspect Ratio of at least 3:1, and an intraluminal surface, the distal ends of the at least two catheter body lumen being (i) non-coterminus or (ii) laser-cut, the exterior surface of the catheter body in the tip region or the intraluminal surface of the two catheter body lumen comprising a hydrophilic polymer layer having an Average Dry Thickness of at least about 50 nanometers.
Owner:ARROW INT INC

Transportation device

The invention provides a shock absorbing structure capable of turning the function of the shock absorber on and off according to the level of shock during collision, thereby reducing the frequency of replacing shock absorbers. On a rear surface of a load operating unit 11 constituting a shock absorbing device 10A are attached a load transmitting shaft 12 and a shock absorber 13. The load transmitting shaft 12 is passed through the center of the shock absorber and is connected to a supporting unit 14 via a pin 15 that extends toward the radial direction. The rear end of the shock absorber 13 faces the supporting unit 14 with a clearance therebetween. The pin 15 has notched grooves 21 formed thereto. When small load is applied, the load is transmitted from the load operating unit 11 through the load transmitting shaft 12, the pin 15 and the supporting unit 14 to the main body, so that the load is not applied on the shock absorber 13. When large load is applied, the pin 15 breaks from where the notched grooves 21 are formed, by which the surface of the closing plate 17 collides against the supporting unit 14, so that the load is transmitted to the shock absorber 13 and the shock is absorbed effectively.
Owner:HITACHI LTD
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