| Patents for F04D 1 - Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps (3,447) |
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| 03/05/2015 | WO2015031822A2 Thermal compressor |
| 03/05/2015 | US20150064034 Modular intake filter system, apparatus and method |
| 02/26/2015 | US20150056063 Metering pump made of plastic |
| 02/19/2015 | WO2015024005A2 Subsea pumping apparatuses and related methods |
| 02/19/2015 | WO2015022060A1 Disinfection in a centrifugal pump or in a pump system having at least one centrifugal pump |
| 02/19/2015 | US20150050167 Pressure Exchange Device |
| 02/19/2015 | US20150050141 Passive shutdown sealing device for a shaft sealing system of a reactor coolant pump set |
| 02/12/2015 | US20150044026 Inducer for Centrifugal Pump |
| 02/11/2015 | CN204152800U 一种双壳体双吸多级离心泵 A dual casing double suction multi-stage centrifugal |
| 02/05/2015 | US20150037141 Compressor housing assembly for a turbocharger |
| 02/04/2015 | CN204140453U 高扬程深井泵 High-lift deep well pump |
| 02/04/2015 | CN204140433U 一种改进型多级离心油泵 An improved multi-stage centrifugal pumps |
| 02/04/2015 | CN104329262A 一种磁力驱动多级径向剖分对称布置自平衡离心泵 A magnetic drive symmetrically arranged radially split multistage centrifugal self-balancing |
| 02/04/2015 | CN104329259A 多功能潜油混输旋流泵 Multifunctional submersible pump multiphase swirl |
| 02/03/2015 | US8944767 Fuel system centrifugal boost pump impeller |
| 02/03/2015 | US8944168 High pressure multistage centrifugal pump for fracturing hydrocarbon reserves |
| 01/29/2015 | WO2015012126A1 Pump device |
| 01/28/2015 | CN204126902U 水力采煤泵 Hydraulic mining pump |
| 01/28/2015 | CN204126901U 对称可调向心泵 Adjustable symmetrical heart pump |
| 01/28/2015 | CN104314832A 气体驱动螺旋流恒压泵 Gas-driven spiral flow constant pressure pump |
| 01/28/2015 | CN104314827A 多出口卧式单吸节段式多级离心泵的中间吐出段 Intermediate multi-outlet horizontal single-suction multistage centrifugal pump discharge section |
| 01/28/2015 | CN104314826A 带储水孔冷却水泵 Cooling water pump with storage hole |
| 01/28/2015 | CN104314825A 带有冷却装置的卧式离心泵 Horizontal centrifugal pump with a cooling device |
| 01/28/2015 | CN104308647A 气体驱动恒压泵切削液供给装置及切削液供给方法 Constant pressure pump gas-driven machining fluid supply device and the machining fluid supply method |
| 01/27/2015 | US8939732 Multi-stage compressor |
| 01/22/2015 | WO2015008224A1 Centrifugal pump stage |
| 01/21/2015 | CN204113758U 一种多级耐酸碱离心泵的泵轴平衡机构 A multi-stage centrifugal pump shaft acid balance mechanism |
| 01/21/2015 | CN204113755U 一种高速离心泵 A high-speed centrifugal pumps |
| 01/21/2015 | CN204113662U 带导叶的管道输送泵 Pipeline with pump vanes |
| 01/15/2015 | US20150017034 Pump unit |
| 01/15/2015 | US20150016981 Centrifugal fluid machine |
| 01/15/2015 | US20150016980 Pump housing |
| 01/15/2015 | US20150016967 Mechanical coolant pump |
| 01/15/2015 | US20150016966 Mechanical coolant pump |
| 01/14/2015 | CN204099216U 两端支承式三级离心泵 Between Bearing three centrifugal pumps |
| 01/14/2015 | CN204099215U 大排量两端支承式三级离心泵 Large displacement between bearing three centrifugal pumps |
| 01/14/2015 | CN204099214U 平稳式小流量高转速双筒体离心注水泵 Small smooth flow of high-speed centrifugal injection pump body Binoculars |
| 01/14/2015 | CN204099213U 平稳式高转速离心注水泵 Smooth high-speed centrifugal type injection pump |
| 01/14/2015 | CN204099212U 高效率冷却水泵 High efficiency of the cooling water pump |
| 01/08/2015 | WO2015000153A1 Conical rotor pump |
| 01/08/2015 | DE102013004682A1 Hoch und Niederdruck Staurohr-Zenuifugalpumpe hermetisch gekapselt mit einer speziellen universal Dauer-Magnetkupplung vom Pitot-Tube Type Rotary Case Jet-Pumpe (auch brandelsche Staurohrpumpe genannt) Kurzname: ITTRC -Jet Pumpe High and low pressure Pitot tube Zenuifugalpumpe hermetically sealed with a special universal permanent magnetic coupling from the Pitot Tube Type Rotary Case jet pump (also called brandelsche pitot tube pump) Nickname: ITTRC -Jet pump |
| 01/07/2015 | CN204082562U 潜水泵的多级叶轮机构组件 Multistage submersible pump impeller mechanism assembly |
| 01/07/2015 | CN204082561U 立式多级离心泵 Vertical multistage centrifugal pump |
| 01/07/2015 | CN204082560U 原油管道输送用输油管线泵 Crude oil pipeline with a pipeline pump |
| 01/07/2015 | CN204075872U 气体驱动恒压泵切削液供给装置 Constant pressure pump gas-driven machining fluid supply device |
| 01/07/2015 | CN104265649A 新型多级潜水泵 New multi-stage submersible pump |
| 01/07/2015 | CN104265640A 高效深井潜水泵 Efficient Submersible Pumps |
| 01/07/2015 | CN104265639A 一种齿轮增速组装式高速旋壳泵机组 A GEAR growth in high-speed rotary shell assembled pump unit |
| 01/07/2015 | CN104265543A 兼具泵水功能的水轮机 Both the pumping function of the turbine |
| 12/31/2014 | CN204061205U 一种微型永磁离心泵 A miniature permanent magnet centrifugal |
| 12/31/2014 | CN204061199U 矿用无平衡盘型奇数多级离心泵 Mine no odd balance disc type multistage centrifugal pump |
| 12/31/2014 | CN204061198U 一种多出口卧式单吸节段式多级离心泵的中间吐出段 In the middle of a multi-outlet horizontal single-suction multistage centrifugal pump discharge section |
| 12/31/2014 | CN204061197U 水平中开双进口泵 Horizontal split dual pump inlet |
| 12/31/2014 | CN204061196U 矿用超多级数型离心泵 Mine Super Multi series centrifugal pump |
| 12/31/2014 | CN204061195U 高效节能专用水泵 Dedicated energy efficient pumps |
| 12/31/2014 | CN204061194U 两级单吸径向剖分离心泵 Two single-suction centrifugal radially split |
| 12/31/2014 | CN204061193U 单级双吸径向剖分离心泵 Single-stage double-suction centrifugal radially split |
| 12/31/2014 | CN204061192U 一种防锈潜水泵 One kind of rust-proof submersible pumps |
| 12/31/2014 | CN104251215A 一种异步传动多级离心泵 An asynchronous transmission multistage centrifugal pump |
| 12/31/2014 | CN104251214A 离心泵 Centrifugal |
| 12/31/2014 | CN101832269B 用于离心泵、特别是锅炉循环泵的多功能封闭底板 For centrifugal pumps, boiler circulating pump particularly versatile floor closed |
| 12/24/2014 | CN204041535U 多级离心泵中段结构及多级离心泵中段 The middle of the structure and multi-stage centrifugal multistage centrifugal pump in the middle |
| 12/24/2014 | CN204041476U 一种高压出口与低压出口稳定出水的多级泵 A high-pressure and low-pressure outlet stable export multistage water pump |
| 12/24/2014 | CN204041467U 高效深井潜水泵 Efficient Submersible Pumps |
| 12/18/2014 | US20140369824 Circulation Pump |
| 12/17/2014 | CN204025142U 一种叶轮偏置带前凸叶轮的旋流泵 One kind of bias with lordosis impeller pump impeller cyclone |
| 12/17/2014 | CN204025063U 自平衡双入口节能多级离心泵 Self-balancing double-entry saving multistage centrifugal pump |
| 12/17/2014 | CN204025062U 自平衡节能多级离心泵 Self-balancing saving multistage centrifugal pump |
| 12/17/2014 | CN104214104A 单级双吸清水离心泵 Single-stage double-suction centrifugal pump water |
| 12/17/2014 | CN102278313B 泵以及热泵装置 Pumps and pump equipment |
| 12/11/2014 | US20140363308 Pumping System with Power Optimization |
| 12/10/2014 | CN204003593U 一种叶轮及其水泵 One kind of impeller and pump |
| 12/10/2014 | CN204003499U 一种轴向力平衡的lng管道潜液四级泵 An axially force balance of lng liquid pipeline four submersible pumps |
| 12/10/2014 | CN204003481U 适用于同井注采机组的倒置多级离心泵 Suitable for injection and production wells with an inverted multistage centrifugal pump units |
| 12/10/2014 | CN101614209B 带有无堵塞工作轮的离心泵 Working with non-clogging centrifugal wheel |
| 11/25/2014 | US8894350 Reduced profile abrasion resistant pump thrust bearing |
| 11/20/2014 | US20140341764 Wet rotor pump |
| 11/20/2014 | US20140341752 Low profile pump with the ability to be mounted in various configurations |
| 11/13/2014 | US20140332095 Pump apparatus |
| 10/09/2014 | US20140299196 Water Lifting System and Method Having Such a System |
| 10/08/2014 | EP2787217A1 Liquid depth-operated valve assembly for use in a zero gravity environment and method |
| 10/07/2014 | US8851834 Centrifugal pump |
| 10/02/2014 | US20140294575 Centrifugal Pump Stage with Increased Compressive Load Capacity |
| 09/25/2014 | WO2014152448A1 Gear-driven flow-through pitot tube pump |
| 09/25/2014 | DE102014103882A1 Pumpe mit auswählbaren Auslässen Pump with selectable outlets |
| 09/12/2014 | WO2014137206A1 Rotational chamber pump |
| 08/28/2014 | US20140241904 Startup sequence for centrifugal pump with levitated impeller |
| 08/27/2014 | EP2770213A1 Pumping device, particularly for a domestic water supply |
| 08/26/2014 | US8814509 Internally-cooled centrifugal compressor with cooling jacket formed in the diaphragm |
| 08/19/2014 | US8807915 Double casing type pump and performance adjusting method thereof |
| 08/13/2014 | CN203770160U 一种135mw循环流化床离心式高压流化风机 One kind of 135mw circulating fluidized bed high pressure centrifugal blower fluidized |
| 08/12/2014 | US8801360 Centrifugal pump with thrust balance holes in diffuser |
| 08/12/2014 | US8800647 High speed swirling type centrifugal revolving pipeline device |
| 08/06/2014 | CN203756551U 一种多级自吸离心泵 A multi-stage self-priming centrifugal pump |
| 08/06/2014 | CN103967804A 高速井泵 Well pump speed |
| 07/30/2014 | CN203743010U 两级叶轮双风轮驱动的风动潜水泵 Two impellers double wind wheel drive pneumatic submersible pumps |
| 07/30/2014 | CN203743005U 一种悬吊式船用泵 One kind of suspended marine pump |
| 07/30/2014 | CN103953565A 水平中开多级泵的排气结构 Horizontal split multistage pump exhaust structure |
| 07/30/2014 | CN103953552A 一种阴离子交换器给水泵 An anion exchanger to the pump |
| 07/30/2014 | CN103953548A 具有首级复合叶轮的节段式卧式多级离心泵 Segmental horizontal multistage centrifugal pump with a complex impeller heads |