Patents-Review.com
ClassID:

68093 ⎘

B61D7/26 - CPC Classification

Classification description:

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

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

HOPPER CAR OUTLET GATE MECHANICAL FLAP TO PREVENT PELLET LOSS

 #2
20230311955
2023-10-05

Discharge gate arrangements for railroad hopper cars

 #3
20230019629
2023-01-19

OPENING STOP DEVICE FOR RAILWAY FREIGHT CAR DOOR OUTLET GATES

 #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
20210146967
2021-05-20

Discharge gate arrangements for railroad hopper cars

 #7
20200062280
2020-02-27

Discharge gate arrangements for railroad hopper cars

 #8
20190210621
2019-07-11

RAILROAD CAR AND DOOR MECHANISM THEREFOR

 #9
20190202481
2019-07-04

Longitudinal sliding gate for hopper car

 #10
20190176852
2019-06-13

Actuating system for transverse doors of railroad hopper car

 #11
20180194372
2018-07-12

Hopper car gate with multiple openings

 #12
20180180129
2018-06-28

Pre-loaded compression strut

 #13
20180178817
2018-06-28

Rail car key adaptor tool

 #14
20180155977
2018-06-07

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

 #15
20180072333
2018-03-15

Connecting rod type two-level locking device, hopper car bottom door and hopper car

 #16
20180001904
2018-01-04

Wagon and vehicle body assembly thereof

 #17
20170327130
2017-11-16

Engineering vehicle having ballast unloading device and ballast leveling device

 #18
20170158207
2017-06-08

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

 #19
20160311445
2016-10-27

Railroad hopper car door operating mechanism

 #20
20160244075
2016-08-25

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

 #21
20160101790
2016-04-14

Railroad car and door mechanism therefor

 #22
20160031454
2016-02-04

Connecting Rod Type Two-Level Locking Device, Hopper Car Bottom Door and Hopper Car

 #23
20150353102
2015-12-10

Two-level locking device, hopper car bottom door and hopper car

 #24
20150298709
2015-10-22

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

 #25
20150166078
2015-06-18

Valve for outlet gate assembly for hopper cars

 #26
20150114253
2015-04-30

Railroad hopper car and door mechanism therefor

 #27
20150096459
2015-04-09

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

 #28
20150000555
2015-01-01

DISCHARGE ASSEMBLY FOR A WAGON

 #29
20140261069
2014-09-18

Railroad hopper car and door mechanism therefor

 #30
20140026781
2014-01-30

Railroad car and door mechanism therefor

 #31
20130233199
2013-09-12

Hopper car gate assembly with a door having vertically spaced sections

 #32
20130068128
2013-03-21

Low profile discharge gate assembly for a railroad hopper car

 #33
20130068127
2013-03-21

Low profile discharge gate assembly for a railroad hopper car

 #34
20120210906
2012-08-23

Apparatus for controlling discharge of material from a railroad hopper car

 #35
20120152146
2012-06-21

Hatch assembly for a railcar and method for assembling the same

 #36
20100251925
2010-10-07

Dual stage railroad hopper car door actuating mechanism

 #37
20100251923
2010-10-07

Railroad car and door mechanism therefor

 #38
20100107924
2010-05-06

Hopper car gate with a laterally opening door

 #39
20070107624
2007-05-17

Manual railroad hopper car door actuating mechanism

 #40
20060249047
2006-11-09

Lock assembly for a gate assembly of a railroad hopper car

 #41
20060042499
2006-03-02

Lock assembly for a gate assembly of a railroad hopper car

 #42
17745945
2026-02-03

System and apparatus for providing supplemental securement of doors of bottom dump material transport containers