B61D7/24 - CPC Classification Index

ClassID:

68092 ⎘

B61D7/24 - CPC Classification

Classification description:

Hopper cars; Adaptations of hopper elements to railways; Closure elements for discharge openings Opening or closing means

Sub-classes:

B61D7/26 » mechanical 40
B61D7/28 » hydraulic or pneumatic 62
B61D7/30 » controlled by means external to cars 16

Recent Application in this class:

20240140497

2024-05-02

METHOD OF REPURPOSING SMALL CUBE COVERED HOPPER RAILCARS AND MODIFIED RAILCARS FORMED THEREBY

20220363294

2022-11-17

Longitudinal door operating mechanism

20200010097

2020-01-09

Railcar with adjustable opening longitudinal gates

20190126946

2019-05-02

Remotely operated railcar hatches

20180222495

2018-08-09

Railcar with adjustable opening longitudinal gates

20180180129

2018-06-28

Pre-loaded compression strut

20170267259

2017-09-21

Hopper car gate seal

20160347331

2016-12-01

Hopper car discharge structure

20150336591

2015-11-26

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

#10

20150000555

2015-01-01

DISCHARGE ASSEMBLY FOR A WAGON

#11

20140366770

2014-12-18

DISCHARGE ASSEMBLY WITH SEAL

#12

20130032055

2013-02-07

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

#13

20110078958

2011-04-07

MOTORIZED HOPPER DOOR ACTUATION SYSTEM

#14

20100275811

2010-11-04

Hopper cars with one or more discharge control systems

#15

20090078151

2009-03-26

Railcar door control apparatus

#16

20070245923

2007-10-25

Railcar door control apparatus

#17

20070089640

2007-04-26

Operating shaft assembly for railcars

#18

20070079726

2007-04-12

Over Center Lock Indicator For Railway Car Door Operation Mechanism

#19

20060272541

2006-12-07

Railroad hopper car door actuating mechanism

#20

20060042500

2006-03-02

Door position indicating mechanism for a railcar

#21

20060032396

2006-02-16

Safety latch lock indicator for railcar door operation mechanism

#22

20060012183

2006-01-19

Rail car door opener

#23

15882143

2018-07-24

Method for actuating discharge doors of railroad hopper cars

#24

15807090

2018-03-13

Railroad hopper car with bottom discharge doors having angled seals and actuating assemblies