ClassID:

68089

B61D7/18 - CPC Classification

Classification description:

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

Recent Application in this class:
#1
20260015017
2026-01-15

HOPPER CAR OUTLET GATE MECHANICAL FLAP TO PREVENT PELLET LOSS

#2
20230399033
2023-12-14

RAILROAD HOPPER CAR WITH FLOW THROUGH STRUCTURE

#3
20230192156
2023-06-22

Hopper railcar with door deflector for transverse pivoted outlet gate, door deflector and method of retrofitting hopper railcar to include door deflector for transverse pivoted outlet gate

#4
20220363294
2022-11-17

Longitudinal door operating mechanism

#5
20220315064
2022-10-06

Hopper Car Outlet Gate Mechanical Flap to Prevent Pellet Loss

#6
20210123362
2021-04-29

Capstan-driven air pump system for opening and closing a longitudinal railcar door

#7
20210046956
2021-02-18

Centering apparatus for hopper car doors

#8
20200377130
2020-12-03

Railroad car and end door assembly therefor

#9
20200353954
2020-11-12

Railroad hopper car with flow through structure

#10
20200298895
2020-09-24

HOPPER RAILCAR WITH DOOR DEFLECTOR FOR TRANSVERSE PIVOTED OUTLET GATE, DOOR DEFLECTOR AND METHOD OF RETROFITTING HOPPER RAILCAR TO INCLUDE DOOR DEFLECTOR FOR TRANSVERSE PIVOTED OUTLET GATE

#11
20200240193
2020-07-30

RAILROAD HOPPER CAR BODY FITTINGS

#12
20200156667
2020-05-21

A RAILWAY WAGON

#13
20200023867
2020-01-23

Railroad hopper car

#14
20190126946
2019-05-02

Remotely operated railcar hatches

#15
20190061788
2019-02-28

NON-HORIZONTAL DISCHARGE GATES

#16
20180305967
2018-10-25

Railroad hopper car body fittings

#17
20180194373
2018-07-12

Railroad car and end door assembly therefor

#18
20180180129
2018-06-28

Pre-loaded compression strut

#19
20180001904
2018-01-04

Wagon and vehicle body assembly thereof

#20
20170267259
2017-09-21

Hopper car gate seal

#21
20170129504
2017-05-11

Gondola car clean-out door

#22
20170107751
2017-04-20

Compartment and bottom door thereof

#23
20160347331
2016-12-01

Hopper car discharge structure

#24
20160311445
2016-10-27

Railroad hopper car door operating mechanism

#25
20150336591
2015-11-26

Open top hopper railcar with biased door seal and enlarged contoured end door

#26
20150114253
2015-04-30

Railroad hopper car and door mechanism therefor

#27
20140261069
2014-09-18

Railroad hopper car and door mechanism therefor

#28
20140261068
2014-09-18

Railroad car and door mechanism therefor

#29
20140224148
2014-08-14

Bottom door device and hopper car having the same

#30
20140216299
2014-08-07

Bottom door opening-closing mechanism, bottom door device and drop-bottom hopper car

#31
20140158017
2014-06-12

Open top hopper railcar with biased door seal and enlarged contoured end door

#32
20130032055
2013-02-07

Side contoured open top hopper railcar with biased door seal and enlarged contoured end door

#33
20130019776
2013-01-24

BALLAST HOPPER CAR

#34
20130000509
2013-01-03

Ballast hopper car discharge door control system

#35
20120210906
2012-08-23

Apparatus for controlling discharge of material from a railroad hopper car

#36
20110041724
2011-02-24

Railroad gondola car structure and mechanism therefor

#37
20110000395
2011-01-06

Apparatus and method for securing a railcar sanitary cover

#38
20100251925
2010-10-07

Dual stage railroad hopper car door actuating mechanism

#39
20100251922
2010-10-07

Railroad gondola car structure and mechanism therefor

#40
20100219148
2010-09-02

Railroad gondola car structure and mechanism therefor

#41
20090078151
2009-03-26

Railcar door control apparatus

#42
20080223252
2008-09-18

Hopper car with lading dislodgement fittings and method of operation

#43
20070245923
2007-10-25

Railcar door control apparatus