Description
Class F04D : NON-POSITIVE-DISPLACEMENT PUMPS
Subclass 9/04: Priming; Preventing vapour lock using priming pumps; using booster pumps to prevent vapour lock
F04D 9/04
Sub-Class
Stats
- 41 US PATENTS IN FORCE
- 9 US APPLICATIONS PENDING
- 14 Total Patent Owners
- 103 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12152585 | Sealing soft water recovery apparatus for vacuum pump in vacuum pressure swing adsorption oxygen generation system | Jul 04, 24 | Nov 26, 24 | SHANGHAI LIFENGAS CO., LTD |
| 12092123 | Control apparatus and vacuum pump provided with said control apparatus | Mar 09, 20 | Sep 17, 24 | Edwards Japan Limited |
| 12090569 | Method of manufacturing a component of a rotary machine and component manufactured using said method | Oct 29, 20 | Sep 17, 24 | SULZER MANAGEMENT AG |
| 12071898 | Fluid pump systems | Jul 30, 21 | Aug 27, 24 | HAMILTON SUNDSTRAND CORPORATION |
| 12000306 | Vane arc segment with single-sided platforms | Jun 03, 22 | Jun 04, 24 | RTX CORPORATION |
| 11927198 | Vacuum pump | Dec 20, 21 | Mar 12, 24 | Shimadzu Corporation |
| 11905976 | Quick no-water startup apparatus for centrifugal pump | Aug 05, 21 | Feb 20, 24 | JIANGSU UNIVERSITY |
| 11898577 | Sensing device, system and method for a pump | Sep 18, 20 | Feb 13, 24 | Weir Minerals Australia Ltd. |
| 11826512 | Mechanical ventilator with oxygen concentrator | Jan 25, 22 | Nov 28, 23 | Aires Medical LLC |
| 11725616 | Sealing ring gland and fuel pump including the same | Mar 15, 22 | Aug 15, 23 | DELPHI TECHNOLOGIES IP LIMITED |
| 11674516 | Electric priming pump device | Jan 13, 22 | Jun 13, 23 | Not available |
| 11649835 | Debris trap for capturing debris flowing in a stream of liquid and priming assembly for a pump | Mar 30, 22 | May 16, 23 | SULZER MANAGEMENT AG |
| 11555497 | Quick startup device for centrifugal pump | Feb 25, 22 | Jan 17, 23 | JIANGSU UNIVERSITY |
| 11536289 | Water pumping and distribution systems and louie pump assemblies | Jun 17, 22 | Dec 27, 22 | Not available |
| 11389584 | Priming system for infusion devices | Jul 06, 17 | Jul 19, 22 | Avent, Inc. |
| 11306472 | Sewage discharge device | Aug 31, 20 | Apr 19, 22 | Fujian Aidi Electric Co., Ltd. |
| 11229763 | Mechanical ventilator with oxygen concentrator | Aug 18, 20 | Jan 25, 22 | Aires Medical LLC |
| 11111923 | System for priming a pool pump | Sep 09, 19 | Sep 07, 21 | Not available |
| 10995741 | Pump having a suction space surrounded by a delivery space | Aug 01, 16 | May 04, 21 | ALTOP PATENTS B.V. |
| 10927837 | Regenerative pump start stage for high speed centrifugal fuel pump | Nov 02, 16 | Feb 23, 21 | EATON INTELLIGENT POWER LIMITED |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0280,107 | SMART VACUUM PRIMING SYSTEM | Feb 14, 24 | Aug 22, 24 | Not available |
| 2024/0068,476 | SELF-PRIMING WATER JACKET WITH PRIMING INLET | Aug 29, 22 | Feb 29, 24 | Not available |
| 2023/0323,882 | VACUUM PRIMING SYSTEM FOR CLOSE-COUPLED PUMPS | Apr 10, 23 | Oct 12, 23 | Not available |
| 2022/0049,702 | DUAL PRIMING SYSTEM FOR A PUMP | Aug 17, 20 | Feb 17, 22 | Not available |
| 2020/0309,135 | High Flow and Low NPSHr Horizontal Pump with Priming Module | Mar 26, 20 | Oct 01, 20 | Baker Hughes, a GE company, LLC |
| 2020/0200,191 | SIMPLE PNEUMATIC EJECTOR PUMP WITH EXHAUST VALVE FOR CONTINUOUS FLOW AIR SOURCE SYSTEM AND METHOD OF USE | Nov 29, 19 | Jun 25, 20 | Not available |
| 2020/0158,115 | INERTIA VACUUM ASSISTED SELF-PRIMING PUMP | Mar 29, 19 | May 21, 20 | AMOS FLUID TECHNOLOGY CO., LTD. |
| 2017/0363,086 | MODIFIED OIL PUMP FOR USE IN NON-OIL TRANSPORT | Jun 17, 16 | Dec 21, 17 | THE MODERN GROUP, LTD. |
| 2016/0327,047 | SELFPRIMING SYSTEM HAVING VALVE FOR A CENTRIFUGAL PUMP | Jan 09, 15 | Nov 10, 16 | RIO BOXX HOLDING B.V. |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 29 Months (last 2 years Issuances)
- 29 Months (last 5 years Issuances)