ClassID:

129155

E03B3/12 - CPC Classification

Classification description:

Methods or installations for obtaining or collecting drinking water or tap water from underground; Obtaining and confining water by means of wells by means of vertical pipe wells

Recent Application in this class:
#1
20220213670
2022-07-07

Method for mitigating seawater intrusion by using seawater injection

#2
20210025148
2021-01-28

Irrigation pumpjack

#3
20200011163
2020-01-09

Interval delivery of liquid carbon dioxide

#4
20180230682
2018-08-16

Hydrant assembly

#5
20170226719
2017-08-10

System and method for effective use of a low-yield well

#6
20170121948
2017-05-04

"Gamesaver" method of wellhead angle entry and support for water wells utilizing electric submersible pumps

#7
20160258138
2016-09-08

Vacuum-assisted irrigation system

#8
20160230527
2016-08-11

VacCirc-vacuum driven in-well air stripping and recirculation

#9
20150218783
2015-08-06

DRINKABLE WATER WELL STRUCTURE AND METHOD FOR MAKING DRINKABLE WATER WELLS

#10
20130233533
2013-09-12

Deep-well pump system

#11
20120205127
2012-08-16

Selective displacement of water in pressure communication with a hydrocarbon reservoir

#12
20120205096
2012-08-16

METHOD FOR DISPLACEMENT OF WATER FROM A POROUS AND PERMEABLE FORMATION

#13
20120097387
2012-04-26

Apparatus for activating or cleaning filter tube wells

#14
20100243547
2010-09-30

Reservoir water filtration system

#15
20050173124
2005-08-11

System and method for providing a renewable source of spring water for human consumption

#16
20050006104
2005-01-13

Potable well conversion device

#17
17545437
2024-05-28

System, apparatus, and method for louver perforation sizing

#18
16229553
2024-08-20

Non-invasive well level monitoring and maintenance

#19
16218768
2019-11-05

Solar powered water purification kiosk

#20
15280523
2019-10-22

Aeration system for water well