Patents-Review.com
ClassID:

128587 ⎘

E02D29/125 - CPC Classification

Classification description:

underground or underwater structures Independent ; Retaining walls; Manhole shafts; Other inspection or access chambers; Accessories therefor characterised by the lining of the shaft

Recent Application in this class:
#1
20250277349
2025-09-04

MANHOLE CONSTRUCTION

 #2
20250257545
2025-08-14

MANHOLE CONSTRUCTION

 #3
20240011237
2024-01-11

System and method for extending the height of a manhole

 #4
20210292991
2021-09-23

Manhole rehabilitation system

 #5
20210214914
2021-07-15

Manhole assembly

 #6
20200307067
2020-10-01

Systems and methods for rehabilitating, repairing, and replacing manholes and connected sewer lines

 #7
20200217037
2020-07-09

Manhole assembly

 #8
20200011471
2020-01-09

Grooved Sealing Member for Sealing Pipes and Other Underground Structures and Method of Using

 #9
20190194900
2019-06-27

Height adjustable meter/device pit

 #10
20190145091
2019-05-16

Manhole base assembly with internal liner and method of manufacturing same

 #11
20190107241
2019-04-11

Grooved sealing member for sealing pipes and other underground structures and method of using

 #12
20180236688
2018-08-23

Hole former with gasket locating features for cast manhole structures

 #13
20170284587
2017-10-05

Method of repairing a manhole and pipes

 #14
20170260734
2017-09-14

Manhole base assembly with internal liner and method of manufacturing same

 #15
20170167127
2017-06-15

Manhole base assembly with internal liner and method of manufacturing same

 #16
20170152642
2017-06-01

Liner

 #17
20170022681
2017-01-26

Method and apparatus for repairing the wall of a manhole

 #18
20160145848
2016-05-26

Manhole base assembly with internal liner and method of manufacturing same

 #19
20160097180
2016-04-07

MANHOLE AND A METHOD FOR PROVIDING A MANHOLE

 #20
20160002876
2016-01-07

Riser Sections and Risers Made Therefrom

 #21
20150267375
2015-09-24

Manhole liner and method of using the same

 #22
20150226592
2015-08-13

Adjustable underground meter installation

 #23
20140341655
2014-11-20

Manhole liner and method of using the same

 #24
20140137508
2014-05-22

Rehabilitation of deteriorated manhole and other sewer structures

 #25
20130336723
2013-12-19

Riser Sections and Risers Made Therefrom

 #26
20120141210
2012-06-07

Method and apparatus for repairing the wall of a manhole

 #27
20120112375
2012-05-10

Method and means of lining a manhole

 #28
20120009020
2012-01-12

Manhole liner and method of using the same

 #29
20100209196
2010-08-19

MANHOLE REPAIRS

 #30
20100077677
2010-04-01

Adjustable underground meter installation

 #31
20100018631
2010-01-28

Method of repairing a manhole chimney using a stretchable sleeve

 #32
20070166108
2007-07-19

Annular ring element

 #33
20070113519
2007-05-24

Method of repairing a manhole chimney using a stretchable sleeve

 #34
20060188339
2006-08-24

Inflatable underground structure liner

 #35
17334692
2023-08-22

Riser sections and risers made therefrom

 #36
16370794
2020-05-26

Manhole lid to base connection

 #37
16369261
2020-06-23

Systems and methods for rehabilitating, repairing, and replacing manholes and connected sewer lines

 #38
15946643
2020-02-18

Manhole assembly

 #39
15368883
2019-02-12

Monolithic manhole fabric and method