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Class Information
Number: 137/1
Name: Fluid handling > Processes
Description: Processes.










Sub-classes under this class:

Class Number Class Name Patents
137/13 Affecting flow by the addition of material or energy 523
137/12.5 Carbonated beverage handling processes 13
137/15.01 Cleaning, repairing, or assembling 181
137/14 Involving pressure control 484
137/2 With control of flow by a condition or characteristic of a fluid 289


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19

Patent Number Title Of Patent Date Issued
8701693 Nozzle check valve Apr. 22, 2014
8683860 Flow-gain based hydraulic actuator leakage test Apr. 1, 2014
8673246 Process for contacting one or more fluids and a reactor relating thereto Mar. 18, 2014
8671964 Aseptic connector with deflectable ring of concern and method Mar. 18, 2014
8671965 Methods for enhanced fluid delivery on bevel etch applications Mar. 18, 2014
8663995 Method for analyzing aqueous ammonium carbamate solution, and method for operating unreacted gas absorber Mar. 4, 2014
8651126 Controllable and cleanable steam trap apparatus Feb. 18, 2014
8651127 Method for operating a sanitary tank for a rail vehicle Feb. 18, 2014
8646471 Electrostatically addressable microvalves Feb. 11, 2014
8640724 Valve control system and valve control method Feb. 4, 2014
8640723 First-stage pilot valve Feb. 4, 2014
8640387 Sports pitch rainwater harvesting systems suitable for use in developing countries Feb. 4, 2014
8640725 Connector for transferring fluid and method of use Feb. 4, 2014
8635717 Programmable automatic flushometer Jan. 28, 2014
8636021 Non-magnetic latching servo actuated valve Jan. 28, 2014
8627840 Pipes for transporting water containing chloramine Jan. 14, 2014
8627848 Vane inlet device Jan. 14, 2014
8622067 Separator arrangement and method for gas by-pass of a liquid pump in a production system Jan. 7, 2014
8613198 Method and apparatus for controlling compressor bleed airflow of a gas turbine engine using a butterfly valve assembly Dec. 24, 2013
8615329 Control system for regulating liquid flow Dec. 24, 2013
8590556 Plug and pump system for routing pressurized fluid Nov. 26, 2013
8590555 Low pressure measurement devices in high pressure environments Nov. 26, 2013
8567442 Soft start device for pneumatic systems and method for the operation of a soft start device Oct. 29, 2013
8561626 Capacitive sensing system and method for operating a faucet Oct. 22, 2013
8551890 Showerhead for CVD depositions Oct. 8, 2013
8545772 Nanoliter array loading Oct. 1, 2013
8528579 Multi-mode hands free automatic faucet Sep. 10, 2013
8528580 Pipes for transporting water containing chloramine Sep. 10, 2013
8528581 Solenoid bypass for continuous operation of pneumatic valve Sep. 10, 2013
8505565 Devices for treating, sensing, or otherwise acting upon fluid Aug. 13, 2013
8497005 Highly abrasion-resistant grafted polyolefin pipe Jul. 30, 2013
8491707 Fluid storage tank configured to remove entrained air from fluid Jul. 23, 2013
8485210 Water scavenging system Jul. 16, 2013
8459283 Pipes for transporting water containing chlorine dioxide Jun. 11, 2013
8459284 Method and means for the preparation of solutions from dry chemicals Jun. 11, 2013
8453665 Self-acting self-circulating fluid system without external pressure source and use in bearing system Jun. 4, 2013
8448657 Passive-cycle skipping valve May. 28, 2013
8443820 Fuel distribution in multi-fuel tank compressed gas fuel systems May. 21, 2013
8443821 Method for determining the path and pressure wear condition of a valve mechanism and valve arrangement using such a valve May. 21, 2013
8439059 Device with direct control, in particular proportional and/or rectilinear control, for fluid loading and/or unloading system May. 14, 2013
8439060 Attachable drain collar for plumbing system couplings May. 14, 2013
8424550 Fluid drainage system and methods Apr. 23, 2013
8409443 Vessel, dispensing devices, kits and methods for containing fluids Apr. 2, 2013
8409357 Self-cleaning apparatus and method for thick slurry pressure control Apr. 2, 2013
8402983 Gas distribution system Mar. 26, 2013
8393344 Microvalve device with pilot operated spool valve and pilot microvalve Mar. 12, 2013
8387644 Solenoid operated fluid control valve Mar. 5, 2013
8381751 Automated dump station Feb. 26, 2013
8376185 System and method for fraud detection and shut-off at a fuel dispenser Feb. 19, 2013
8371323 Method and apparatus for transporting a particulate material Feb. 12, 2013

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19










 
 
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