ClassID:

68090

B61D7/20 - CPC Classification

Classification description:

Hopper cars; Adaptations of hopper elements to railways; Closure elements for discharge openings sliding

Recent Application in this class:
#1
20230406365
2023-12-21

AUTOMATIC DISCHARGE SLIDING DOOR MECHANISM FOR RAILROAD HOPPER CARS

#2
20220363294
2022-11-17

Longitudinal door operating mechanism

#3
20200339163
2020-10-29

Railroad hopper car structure and gate therefor

#4
20190202481
2019-07-04

Longitudinal sliding gate for hopper car

#5
20180345998
2018-12-06

Hopper car discharge gates

#6
20180194372
2018-07-12

Hopper car gate with multiple openings

#7
20180180129
2018-06-28

Pre-loaded compression strut

#8
20180155977
2018-06-07

Method and mechanism for controlling gravitational discharge of material from a railroad hopper car

#9
20170158207
2017-06-08

Railroad hopper car discharge gate assembly and related method for controlling discharge of material from a railroad hopper car

#10
20160244075
2016-08-25

Method for influencing gravitational discharge of material from a railroad hopper car

#11
20160121909
2016-05-05

Material transport and distribution consist with controlled gated hopper cars and conveyor systems

#12
20150298709
2015-10-22

Railroad hopper car discharge gate assembly and related method for influencing gravitational discharge of material from a railroad hopper car

#13
20150166079
2015-06-18

Automatic hopper car gate opening and closing system

#14
20150096459
2015-04-09

Door and door operating assembly for a railcar and method of assembling the same

#15
20150000555
2015-01-01

DISCHARGE ASSEMBLY FOR A WAGON

#16
20140366770
2014-12-18

DISCHARGE ASSEMBLY WITH SEAL

#17
20130233199
2013-09-12

Hopper car gate assembly with a door having vertically spaced sections

#18
20130068128
2013-03-21

Low profile discharge gate assembly for a railroad hopper car

#19
20120152146
2012-06-21

Hatch assembly for a railcar and method for assembling the same

#20
20100107924
2010-05-06

Hopper car gate with a laterally opening door

#21
20090235840
2009-09-24

Hopper car gate with a curved door

#22
20090090269
2009-04-09

Hopper car gate with enlarged discharge and increased capacity

#23
20090007813
2009-01-08

Hopper car gate with opposed double doors

#24
20070089639
2007-04-26

Railcar gate assembly operating shaft assembly

#25
20070068417
2007-03-29

Sliding gate actuating mechanism

#26
20060156947
2006-07-20

Hopper closure assembly with telescoping gate and method of using same

#27
20050263031
2005-12-01

Drive system for a railway hopper car discharge gate

#28
20050166788
2005-08-04

Railway hopper car discharge gate

#29
20050081741
2005-04-21

Railroad hopper car discharge gate assembly