ClassID:

128591

E02D29/1409 - 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 adjustable in height or inclination

Recent Application in this class:
#1
20260016105
2026-01-15

RISER AND INGRESS DEVICE ASSEMBLY FOR SEPTIC TANK SYSTEM

#2
20250075460
2025-03-06

BURIED CONCEALABLE INTELLIGENT MANHOLE COVER

#3
20240191454
2024-06-13

ADJUSTABLE COVER FOR ROADWAY OPENING

#4
20230243121
2023-08-03

Height adjustment mechanism for a manhole assembly and manhole assembly comprising the same

#5
20220316634
2022-10-06

RISER AND INGRESS DEVICE ASSEMBLY FOR SEPTIC TANK SYSTEM

#6
20220162827
2022-05-26

Floating foundation

#7
20210270002
2021-09-02

Height adjustment mechanism for a manhole assembly and manhole assembly comprising the same

#8
20210270001
2021-09-02

Height-adjustable fixtures for buried tubulars and methods of adjusting the height-adjustable fixtures

#9
20210262188
2021-08-26

Detecting and alleviating flooding and blocked storm sewers

#10
20210087776
2021-03-25

Height adjustment mechanism for a manhole assembly and manhole assembly comprising the same

#11
20200263381
2020-08-20

Adapter frame

#12
20190186099
2019-06-20

Floating manhole cover assembly

#13
20190145078
2019-05-16

ADJUSTABLE MANHOLE COVER

#14
20190106857
2019-04-11

FRAME POSITIONING DEVICE FOR POSITIONING A FRAME OVER AN INLET OF A CATCH BASIN OR MANHOLE AND METHOD FOR POSITIONING THE SAME

#15
20190032300
2019-01-31

Cover or trapdoor which is height-adjustable and relevant installation method

#16
20190032299
2019-01-31

LEVELING MAN-HOLE COVER SYSTEM AND METHOD OF USE

#17
20180355577
2018-12-13

System for sealing a manhole riser ring assembly

#18
20180305888
2018-10-25

Floating manhole cover assembly

#19
20180087234
2018-03-29

APPARATUS FOR COVERING A PORTION OF A ROAD AND METHOD

#20
20170342676
2017-11-30

Temporary manhole cover and method

#21
20170328024
2017-11-16

Closure systems, debris caps, holder devices, and related technologies

#22
20160348323
2016-12-01

Method for forming a surface around an embedded conduit

#23
20160333192
2016-11-17

Methods and apparatus for stabilization of surfaces

#24
20160177535
2016-06-23

Adjustable manhole cover

#25
20160097180
2016-04-07

MANHOLE AND A METHOD FOR PROVIDING A MANHOLE

#26
20160090708
2016-03-31

Manhole with height/inclination-adjustable manhole cover

#27
20150252549
2015-09-10

Grade-Matching Utility Cover Systems

#28
20150233081
2015-08-20

COVER

#29
20150176239
2015-06-25

Equipment housing

#30
20150104254
2015-04-16

Manhole marker

#31
20140328622
2014-11-06

Manhole riser extension assembly

#32
20140250794
2014-09-11

FLOATING MANHOLE FRAME ASSEMBLY

#33
20140037374
2014-02-06

Integrated frame and cover system

#34
20130195549
2013-08-01

INCLINED MANHOLE COVER RISER ASSEMBLY

#35
20130101348
2013-04-25

ADJUSTABLE GRATE FRAMES

#36
20120020728
2012-01-26

Hinge assembly and corresponding road device

#37
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

#38
20110036019
2011-02-17

Multi-purpose adjustable quick expandable installment

#39
20100281778
2010-11-11

CAP AND RIM ASSEMBLY FOR SEWER

#40
20100178106
2010-07-15

Method and apparatus for raising manhole castings

#41
20100124458
2010-05-20

Integrated frame and cover system

#42
20090297265
2009-12-03

B-W manhole cover-cover

#43
20090223595
2009-09-10

Spill containment apparatus for storage tanks

#44
20090214292
2009-08-27

Encapsulated manhole cover

#45
20090169299
2009-07-02

Device for locking and unlocking a plug on a frame using a wrench

#46
20090148234
2009-06-11

Apparatus and method for raising the elevation of a catch basin

#47
20080244988
2008-10-09

MANHOLE GRADE RING

#48
20080083752
2008-04-10

Grease interceptor latching and riser system and method of use thereof

#49
20070283818
2007-12-13

Adjustable Cover Assembly

#50
20070144788
2007-06-28

Setting utility access covers

#51
20060123716
2006-06-15

Conduit assembly and method of use thereof

#52
20060088378
2006-04-27

Frame for a recess in the ground and manhole assembly

#53
20060078381
2006-04-13

Manhole cover riser assembly

#54
20050123349
2005-06-09

Temporary ramp

#55
20050058505
2005-03-17

Method and apparatus for adjusting the height and inclination of roadway and greenway appurtenances

#56
17969029
2025-11-04

Height adjustable manhole cover

#57
14921450
2016-09-06

Floating precast manhole and catch basin cover systems