Description
NON-POSITIVE-DISPLACEMENT PUMPS
F04D
Technology
Sub-Class
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- 138 3881 US PATENTS IN FORCE
- 2545 US APPLICATIONS PENDING
- 2710 Total Patent Owners
- 17205 TOTAL INVENTORS
Subclasses
| Subclass | Title |
|---|---|
| 1/00 | Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps (adapted for pumping specific fluids F04D 7/00; priming or boosting F04D 9/00; pumping liquids and elastic fluids at the same time F04D 31/00) |
| 1/02 | Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps (adapted for pumping specific fluids F04D 7/00; priming or boosting F04D 9/00; pumping liquids and elastic fluids at the same time F04D 31/00) having non-centrifugal stages, e.g. centripetal |
| 1/04 | Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps (adapted for pumping specific fluids F04D 7/00; priming or boosting F04D 9/00; pumping liquids and elastic fluids at the same time F04D 31/00) Helico-centrifugal pumps |
| 1/06 | Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps (adapted for pumping specific fluids F04D 7/00; priming or boosting F04D 9/00; pumping liquids and elastic fluids at the same time F04D 31/00) Multi-stage pumps (F04D 1/02 takes precedence) |
| 1/08 | Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps (adapted for pumping specific fluids F04D 7/00; priming or boosting F04D 9/00; pumping liquids and elastic fluids at the same time F04D 31/00) Multi-stage pumps (F04D 1/02 takes precedence) the stages being situated concentrically |
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 9,119,979 | Method of controlling a powered air purifying respirator | Aug 11, 10 | Sep 01, 15 | 3M INNOVATIVE PROPERTIES COMPANY |
| 9,120,189 | Method of making a piece of metal reinforcement | Dec 09, 11 | Sep 01, 15 | SNECMA |
| 9,120,690 | Vortex air inlet system, compressor system and related method | Nov 16, 11 | Sep 01, 15 | SIEMENS TURBOMACHINERY EQUIPMENT A/S, |
| 9,121,270 | Pump system | May 26, 11 | Sep 01, 15 | GRUNDFOS PUMPS CORPORATION |
| 9,121,282 | Methods for the controlled reduction of turbine nozzle flow areas and turbine nozzle components having reduced flow areas | Feb 02, 12 | Sep 01, 15 | HONEYWELL INTERNATIONAL INC. |
| 9,121,284 | Modal tuning for vanes | Jan 27, 12 | Sep 01, 15 | UNITED TECHNOLOGIES CORPORATION, |
| 9,121,287 | Hollow fan blade with honeycomb filler | Sep 12, 12 | Sep 01, 15 | UNITED TECHNOLOGIES CORPORATION |
| 9,121,293 | Rotor for turbomachines | Mar 09, 09 | Sep 01, 15 | GE AVIO S.R.L. |
| 9,121,297 | Rotating brush seal | Mar 28, 11 | Sep 01, 15 | GENERAL ELECTRIC COMPANY |
| 9,121,298 | Finned seal assembly for gas turbine engines | Jun 27, 12 | Sep 01, 15 | SIEMENS AKTIENGESELLSCHAFT |
| 9,121,304 | Outer race locating washer | Sep 11, 12 | Sep 01, 15 | UHLMANN, EUGEN, |
| 9,121,398 | Float-operated pump switch | Mar 30, 15 | Sep 01, 15 | |
| 9,121,399 | Strainer for a bilge pump | Mar 31, 10 | Sep 01, 15 | MUNSTER SIMMS ENGINEERING LIMITED |
| 9,121,408 | Centrifugal compressor | Mar 23, 11 | Sep 01, 15 | TOYOTA JIDOSHA KABUSHIKI KAISHA |
| 9,121,409 | Portable electronic device with tiltedly installed centrifugal fan | Aug 08, 12 | Sep 01, 15 | QUANTA COMPUTER INC. |
| 9,121,410 | Oscillating fan with built-in pull-type control switch | May 23, 12 | Sep 01, 15 | |
| 9,121,411 | Motor driven compressor and hermetic sealing inspection method for the same | Dec 31, 12 | Sep 01, 15 | KABUSHIKI KAISHA TOYOTA JIDOSHOKKI |
| 9,121,412 | Efficient, low pressure ratio propulsor for gas turbine engines | Jul 05, 11 | Sep 01, 15 | UNITED TECHNOLOGIES CORPORATION |
| 9,121,413 | Variable length compressor rotor pumping vanes | Mar 22, 12 | Sep 01, 15 | GENERAL ELECTRIC COMPANY |
| 9,121,414 | Low-profile blowers and methods | Nov 04, 11 | Sep 01, 15 | GENTHERM INCORPORATED |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2015/0247,501 | ANTI-AIRLOCK VALVE ASSEMBLY | Feb 28, 14 | Sep 03, 15 | FLOW CONTROL LLC. |
| 2015/0247,502 | BILGE PUMP HAVING CONCEALED AIR-LOCK VENT | Feb 28, 14 | Sep 03, 15 | FLOW CONTROL LLC. |
| 2015/0247,503 | CENTRIFUGAL BLOOD PUMP | Oct 11, 13 | Sep 03, 15 | |
| 2015/0247,504 | BILGE PUMP ARRANGEMENT HAVING BACK FLOW PREVENTER | Feb 28, 14 | Sep 03, 15 | FLOW CONTROL LLC. |
| 2015/0247,505 | TEMPERATURE SENSING AND CONTROLLING SYSTEM FOR ELECTRONIC DEVICE | Oct 27, 14 | Sep 03, 15 | HON HAI PRECISION INDUSTRY CO., LTD., |
| 2015/0247,506 | TURBO MACHINE SYSTEM | Sep 12, 13 | Sep 03, 15 | BOGE KOMPRESSOREN OTTO BOGE GMBH & CO. KG |
| 2015/0247,507 | Acoustic Shunt and Method of Attenuating Noise Generated in a Heater Venting System | Feb 28, 14 | Sep 03, 15 | REGAL BELOIT AMERICA, INC. |
| 2015/0247,508 | Blower Housing Having Integral Exhaust Blower Discharge Drain Section | Feb 28, 14 | Sep 03, 15 | REGAL BELOIT AMERICA, INC. |
| 2015/0240,646 | GROUP OF BLADE ROWS | Feb 19, 15 | Aug 27, 15 | ROLLS-ROYCE DEUTSCHLAND LTD & CO KG |
| 2015/0240,818 | PUMP FOR CONVEYING WASTE WATER AS WELL AS IMPELLER AND BASE PLATE FOR SUCH A PUMP | Aug 21, 13 | Aug 27, 15 | SULZER MANAGEMENT AG |
| 2015/0240,819 | ENHANCED AXIAL AIR MOVER SYSTEM WITH MATRIX | Apr 28, 15 | Aug 27, 15 | |
| 2015/0240,820 | ELECTRICAL SPLIT-CAGE OR CANNED COOLANT PUMP | Sep 17, 12 | Aug 27, 15 | PIERBURG PUMP TECHNOLOGY GMBH |
| 2015/0240,821 | Motor-Powered Fan Drives For Vehicles Of All Types | Jun 28, 12 | Aug 27, 15 | |
| 2015/0240,822 | STATOR-SIDE MEMBER AND VACUUM PUMP | Aug 26, 13 | Aug 27, 15 | |
| 2015/0240,823 | Fan Assembly | Feb 24, 15 | Aug 27, 15 | JOHNSON ELECTRIC S.A. |
| 2015/0240,824 | CEILING FAN AND METHOD OF INSTALLING A CEILING FAN | Feb 21, 14 | Aug 27, 15 | HUNTER FAN COMPANY |
| 2015/0240,825 | METHOD AND APPARATUS FOR COOLING TOWER FAN MOUNTING FOR REMOVAL FROM INSIDE THE TOWER | Sep 12, 14 | Aug 27, 15 | |
| 2015/0240,826 | METHOD OF DETERMINING A PRESSURE UPSTREAM OF A COMPRESSOR FOR AN ENGINE EQUIPPED WITH DOUBLE SUPERCHARGING | Aug 12, 13 | Aug 27, 15 | |
| 2015/0240,827 | Rotary Actuator with Integrated Actuation | Feb 27, 14 | Aug 27, 15 | WOODWARD, INC. |
| 2015/0240,828 | BI-DIRECTIONAL HYDROSTATIC THRUST BEARING FOR A ROTATING MACHINE | Feb 24, 14 | Aug 27, 15 | FLUID EQUIPMENT DEVELOPMENT COMPANY, LLC |
Top Owners in This Class
Top Owners in This Subclass
Applications Filed in This Class - By Year
Applications Filed in This Subclass - By Year
Patents Issued To Date - By Filing Year
Average Time to Issuance
- 36 Months (last 2 years Issuances)
- 36 Months (last 5 years Issuances)
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