Patents-Review.com
ClassID:

128594 ⎘

E02D29/1436 - CPC Classification

Classification description:

underground or underwater structures Independent ; Retaining walls; Manhole shafts; Other inspection or access chambers; Accessories therefor; Covers for manholes or the like; Frames for covers with overflow or explosion control means, e.g. check or relief valves

Recent Application in this class:
#1
20250314034
2025-10-09

VENTED PRECIPITATION GUARDING MANHOLE COVER ASSEMBLY

 #2
20250171980
2025-05-29

COVER

 #3
20230265637
2023-08-24

VENTED PRECIPITATION GUARDING MANHOLE COVER ASSEMBLY

 #4
20230134011
2023-05-04

SEL-REPORTING MONITOR FOR INTEGRITY AND CONDITIONS OF MANHOLE COVER

 #5
20220290884
2022-09-15

Smart system for manhole event suppression system

 #6
20220112678
2022-04-14

Vented precipitation guarding manhole cover assembly

 #7
20210262188
2021-08-26

Detecting and alleviating flooding and blocked storm sewers

 #8
20200191421
2020-06-18

Smart system for manhole event suppression system

 #9
20190010674
2019-01-10

Polymer Circular Manhole Assembly System

 #10
20180223498
2018-08-09

Sump backfill protector

 #11
20170284689
2017-10-05

Smart system for manhole event suppression system

 #12
20160356522
2016-12-08

Systems for circulating air inside a manhole vault

 #13
20160097181
2016-04-07

Explosion mitigating vault

 #14
20160053458
2016-02-25

Pressure responsive locking latch arrangement for manhole covers

 #15
20160053457
2016-02-25

Controlled pressure release manhole cover assembly

 #16
20150233081
2015-08-20

COVER

 #17
20140334876
2014-11-13

Explosion mitigating cover

 #18
20140169876
2014-06-19

Explosion mitigating cover

 #19
20100028077
2010-02-04

Manhole cover stop mechanism

 #20
20090154993
2009-06-18

Method of controllably venting gases generated by explosions in a manhole space

 #21
18114903
2023-09-19

Manhole cover

 #22
15201008
2017-07-04

Manhole cover sealing device

 #23
14728016
2017-03-28

Vented precipitation guarding manhole cover assemblies