Patents-Review.com
ClassID:

128597 ⎘

E02D29/1463 - 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 Hinged connection of cover to frame

Recent Application in this class:
#1
20260009199
2026-01-08

MANHOLE COVER

 #2
20250347078
2025-11-13

SECONDARY SAFETY LID FOR A RISER SYSTEM

 #3
20250179757
2025-06-05

Sealed Hatch Assembly for Underground Enclosure

 #4
20240279897
2024-08-22

HATCH ASSEMBLY

 #5
20240240424
2024-07-18

FRAME AND COVER FOR INGROUND UTILITY ENCLOSURES

 #6
20230304250
2023-09-28

FOLDING BARRIER ASSEMBLY AND METHOD OF USE

 #7
20210032832
2021-02-04

Manhole apparatus

 #8
20200141083
2020-05-07

Safety grate

 #9
20190360167
2019-11-28

Manhole device

 #10
20190218025
2019-07-18

Manway open and close assist device

 #11
20190010674
2019-01-10

Polymer Circular Manhole Assembly System

 #12
20180371718
2018-12-27

Cover grate for well-site cellars

 #13
20180058032
2018-03-01

Safety grate

 #14
20170321452
2017-11-09

Safety hatch system

 #15
20170320708
2017-11-09

Flange cover mounting and dismounting device and cooling device

 #16
20170152642
2017-06-01

Liner

 #17
20160215474
2016-07-28

Assembly of buffers, roadway device and corresponding usage

 #18
20160168818
2016-06-16

SAFE MAINTENANCE INDUSTRIAL COVERS

 #19
20160053458
2016-02-25

Pressure responsive locking latch arrangement for manhole covers

 #20
20160053457
2016-02-25

Controlled pressure release manhole cover assembly

 #21
20150135604
2015-05-21

Safety hatch system

 #22
20140165835
2014-06-19

System and method for controlling and treating gas emanations inside a wastewater access shaft

 #23
20140123560
2014-05-08

Street ironwork

 #24
20130340353
2013-12-26

Safety hatch system

 #25
20130097933
2013-04-25

Road device

 #26
20130071183
2013-03-21

Manhole cover safety device

 #27
20120213581
2012-08-23

Fastener for street ironwork, assembly, street ironwork and corresponding method

 #28
20120020728
2012-01-26

Hinge assembly and corresponding road device

 #29
20110222964
2011-09-15

HIGHWAY DEVICE, IN PARTICULAR MANHOLE, WITH FRAME AND PLUG WITH BACKWARD MOVEMENT RELATIVE TO THE FRAME TO ENSURE THE CLOSED POSITION OF THE PLUG IN THE FRAME

 #30
20110150570
2011-06-23

Manhole assembly and related method

 #31
20100178105
2010-07-15

Device for a pavement manhole with a support frame for closing a panel hinged on the frame using permanent articulation means

 #32
20100031573
2010-02-11

Safety hatch system and egress

 #33
20100012671
2010-01-21

Manhole cover hinge assembly

 #34
20090257823
2009-10-15

Method and mechanism for opening and closing of manhole covers

 #35
20090080972
2009-03-26

Device for closing an opening, particularly a street manhole

 #36
20080209680
2008-09-04

Device for articulating a cover or lid to a frame in particular of a manhole

 #37
20080098662
2008-05-01

Security Device

 #38
20070286677
2007-12-13

Manhole cover security lock with controlled pressure release

 #39
20070186381
2007-08-16

Device for closing a frame having a panel articulated on the frame

 #40
20060245829
2006-11-02

Socket hinged construction casting assembly

 #41
20060127178
2006-06-15

Socket hinged construction casting assembly

 #42
20060088378
2006-04-27

Frame for a recess in the ground and manhole assembly

 #43
20060026902
2006-02-09

Lifting mechanism for access hatch

 #44
20050244227
2005-11-03

Construction castings with ball and socket connectors

 #45
20050175409
2005-08-11

Device for closing an opening, particularly a man hole

 #46
15652732
2018-11-20

Manhole cover