ClassID:

128599

E02D29/1481 - 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 Security devices, e.g. indicating unauthorised opening

Recent Application in this class:
#1
20260085483
2026-03-26

Manhole Marker Assembly

#2
20240272242
2024-08-15

APPARATUS, SYSTEM AND METHOD FOR MONITORING A PIT LID

#3
20240167242
2024-05-23

COLLECTIVE SAFETY AND MANHOLE SIGNALLING IN BUILDING AND CIVIL ENGINEERING WORKS

#4
20240044098
2024-02-08

Monitoring device and well cover assembly

#5
20240018738
2024-01-18

Manhole Marker Assembly

#6
20220220693
2022-07-14

MODULAR ACCESS COVER

#7
20210310210
2021-10-07

SECURED SERVICE COVER ASSEMBLY

#8
20210262188
2021-08-26

Detecting and alleviating flooding and blocked storm sewers

#9
20210108391
2021-04-15

Reinforcement member and construction method

#10
20200116688
2020-04-16

Methods of using dilution of a second type to calibrate one or more sensors

#11
20190330818
2019-10-31

System and method of monitoring a utility structure

#12
20190218743
2019-07-18

Cover for use on public roads

#13
20190100895
2019-04-04

System and method of monitoring a utility structure

#14
20180313054
2018-11-01

Method of monitoring access covers of underground infrastructure

#15
20180179724
2018-06-28

TUBULAR INSERT FOR EXCAVATED HOLE WITH SAFETY COVER

#16
20180163361
2018-06-14

Composite Manhole Cover with In-molded Components

#17
20180051452
2018-02-22

Mechanical closure device

#18
20170314286
2017-11-02

Tubular insert for excavated hole with safety cover

#19
20170226714
2017-08-10

Locakable manhole covers and methods for locking a manhole cover

#20
20170167107
2017-06-15

Underground security barrier

#21
20170138014
2017-05-18

Pick hole guard for manhole covers

#22
20160289912
2016-10-06

Manhole repair bracket

#23
20160258191
2016-09-08

Locking cover for construction vault

#24
20160168817
2016-06-16

Safety device for use in well

#25
20160069039
2016-03-10

Hybrid utility cover

#26
20160032553
2016-02-04

Security apparatus

#27
20160032552
2016-02-04

Handhole and manhole anti-theft insert

#28
20150197913
2015-07-16

Dish for use in a manhole

#29
20150170488
2015-06-18

Manhole Security Device and Methods Thereof

#30
20150059888
2015-03-05

Water service monitor assembly

#31
20130312338
2013-11-28

Adjustable support apparatus for a utility access cover

#32
20130093884
2013-04-18

Manhole security device and methods thereof

#33
20110311306
2011-12-22

Pick hole guard for manhole covers

#34
20110148647
2011-06-23

Manhole security device and methods thereof

#35
20110148631
2011-06-23

Manhole security cover

#36
20090201153
2009-08-13

Fiber optic security system for sensing the intrusion of secured locations

#37
20080256997
2008-10-23

Security key tool for manhole access opening security device

#38
20080213043
2008-09-04

PICK HOLE GUARD FOR MANHOLE COVERS

#39
20080210852
2008-09-04

Fiber optic security system for sensing the intrusion of secured locations

#40
20080003056
2008-01-03

Manhole insert and tether locking apparatus and method

#41
20060273246
2006-12-07

Fiber optic security system for sensing the intrusion of secured locations