ClassID:

143977

F04D9/04 - CPC Classification

Classification description:

Priming; Preventing vapour lock using priming pumps; using booster pumps to prevent vapour-lock

Sub-classes:
Recent Application in this class:
#1
20230265850
2023-08-24

Quick no-water startup apparatus for centrifugal pump

#2
20230034465
2023-02-02

Fluid pump systems

#3
20220325716
2022-10-13

Quick startup device for centrifugal pump

#4
20220098025
2022-03-31

Transfer assembly for attachment to a front portion of an agricultural vehicle and a method of use

#5
20200309135
2020-10-01

High Flow and Low NPSHr Horizontal Pump with Priming Module

#6
20200200191
2020-06-25

SIMPLE PNEUMATIC EJECTOR PUMP WITH EXHAUST VALVE FOR CONTINUOUS FLOW AIR SOURCE SYSTEM AND METHOD OF USE

#7
20200158115
2020-05-21

INERTIA VACUUM ASSISTED SELF-PRIMING PUMP

#8
20190078959
2019-03-14

Solenoid Current Monitoring Method for Leak Detection and Vapor Lock

#9
20190078570
2019-03-14

Automatic Initiation of Priming Sequence for Metering Pumps

#10
20180347570
2018-12-06

Regenerative pump start stage for high speed centrifugal fuel pump

#11
20180058466
2018-03-01

Self-priming pump

#12
20160146108
2016-05-26

Fuel pumping unit

#13
20130280107
2013-10-24

Pump device

#14
20130183155
2013-07-18

Fuel system centrifugal boost pump impeller

#15
20130078120
2013-03-28

Ejector-Less Vacuum Creation Pump Using Suction

#16
20080193276
2008-08-14

Stacked self-priming pump and centrifugal pump

#17
20060207659
2006-09-21

Pump system including host and satellite pumps and method of the same

#18
20060029504
2006-02-09

Pumping system

#19
20050196269
2005-09-08

Stacked self-priming pump and centrifugal pump

#20
17843281
2022-12-27

Water pumping and distribution systems and louie pump assemblies

#21
17575468
2023-06-13

Electric priming pump device