Patents-Review.com
ClassID:

68080 ⎘

B61D7/00 - CPC Classification

Classification description:

Hopper cars

Sub-classes:
Recent Application in this class:
#1
20260131376
2026-05-14

LOW-SULFUR GRANULATED METALLIC UNITS, AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS

 #2
20260054753
2026-02-26

CAST COMPONENTS FOR COLD FORMED CENTER SILL RAIL CAR MODIFICATION PROGRAMS

 #3
20260054312
2026-02-26

TREATING COOLING WATER IN IRON PRODUCTION FACILITIES, AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS

 #4
20260048434
2026-02-19

LOW-CARBON GRANULATED METALLIC UNITS, AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS

 #5
20260034581
2026-02-05

USE OF RESIDUAL IRON WITHIN GRANULATED METALLIC UNIT PRODUCTION FACILITIES, AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS

 #6
20260001124
2026-01-01

CONTINUOUS GRANULATED METALLIC UNITS PRODUCTION, AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS

 #7
20250353076
2025-11-20

USE OF A BASIC OXYGEN FURNACE TO PRODUCE GRANULATED METALLIC UNITS, AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS

 #8
20250340226
2025-11-06

PARTIAL CLOSURE PLATES FOR HOPPER CARS

 #9
20250085156
2025-03-13

LOADING GRANULATED METALLIC UNITS INTO RAILCARS, AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS

 #10
20250083980
2025-03-13

TREATING COOLING WATER IN IRON PRODUCTION FACILITIES, AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS

 #11
20250083232
2025-03-13

CONTINUOUS GRANULATED METALLIC UNITS PRODUCTION, AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS

 #12
20250083231
2025-03-13

USE OF RESIDUAL IRON WITHIN GRANULATED METALLIC UNIT PRODUCTION FACILITIES, AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS

 #13
20250083230
2025-03-13

USE OF A BASIC OXYGEN FURNACE TO PRODUCE GRANULATED METALLIC UNITS, AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS

 #14
20250083224
2025-03-13

LOW-CARBON GRANULATED METALLIC UNITS, AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS

 #15
20250083223
2025-03-13

LOW-SULFUR GRANULATED METALLIC UNITS, AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS

 #16
20240391507
2024-11-28

OPEN TOP GONDOLA RAILCAR

 #17
20230399031
2023-12-14

RAIL CAR MODULARIZED MODIFICATION PROGRAMS ALTERING THE NATURE OF THE CENTER SILL IN THE MODIFIED RAILCAR AND THE MODIFIED RAILCARS FORMED THEREBY

 #18
20230303134
2023-09-28

Bridge crane apparatus for opening and closing railcar lids

 #19
20230202535
2023-06-29

Cover assemblies for railroad cars

 #20
20230113865
2023-04-13

Hopper railroad car having top hatch cover assembly

 #21
20230083126
2023-03-16

Open top gondola railcars

 #22
20220371628
2022-11-24

COVERED HOPPER RAILCAR

 #23
20220355834
2022-11-10

Automatic hatch cover for a container and methods of operation thereof

 #24
20210238889
2021-08-05

Adjustable hatch cover locks

 #25
20210213981
2021-07-15

Hopper railroad car flexible top hatch cover

 #26
20210039687
2021-02-11

Gasket for hatch cover assembly of a rail car

 #27
20210039685
2021-02-11

Open top gondola railcar

 #28
20210024104
2021-01-28

Reinforced railcar side stake

 #29
20210009169
2021-01-14

METHOD AND CAST COMPONENTS FOR COLD FORMED CENTER SILL RAIL CAR MODIFICATION PROGRAMS AND RAILCARS FORMED THEREBY

 #30
20200317231
2020-10-08

Open top hopper railcar with lading shedding top chord and corner cap and integrated door operating controls with manual override

 #31
20190299963
2019-10-03

Enhanced railway equipment and related integrated systems

 #32
20190225242
2019-07-25

Aggregate train and methods of loading and unloading

 #33
20190112867
2019-04-18

RAILWAY CAR HATCH COVER HYDROPHOBIC COATING ON VENTS

 #34
20190016349
2019-01-17

Rapid discharge door locking system

 #35
20180162344
2018-06-14

Enhanced railway equipment and related integrated systems

 #36
20180086354
2018-03-29

Reinforced railcar side stake

 #37
20180001905
2018-01-04

Open Top Hopper Railcar with Lading Shedding Top Chord and Corner Cap and Door Operating Controls with Manual Overide

 #38
20170355385
2017-12-14

Aggregate train and methods of loading and unloading

 #39
20170225694
2017-08-10

Hatch cover for railway cars and method of manufacturing the same

 #40
20160311447
2016-10-27

METHOD FOR LOADING A RAILWAY VEHICLE AND RAILWAY VEHICLE

 #41
20160167680
2016-06-16

Hatch cover mounted latch for a railcar

 #42
20160001787
2016-01-07

Equipment envelope for hopper wagon

 #43
20150375761
2015-12-31

Covering system for a hopper wagon

 #44
20150360703
2015-12-17

Sidewall structure of hopper car

 #45
20150086324
2015-03-26

Transport container, vehicle, traction group, method for loading a transport container, and method for transporting bulk material

 #46
20140360401
2014-12-11

System and method for powered railcar doors

 #47
20140352571
2014-12-04

Railcar seals (Rapid Wrap™) and related methods

 #48
20140271071
2014-09-18

Self-unloading aggregate train

 #49
20130160670
2013-06-27

Open top hopper railcar with lading shedding top chord and corner cap and integrated door operating controls with manual override

 #50
20120118195
2012-05-17

System and method for powered railcar doors

 #51
20120024190
2012-02-02

Hatch cover latching system method and apparatus

 #52
20110179969
2011-07-28

Open top hopper railcar with lading shedding top chord and corner cap and integrated door operating controls with manual override

 #53
20100258031
2010-10-14

Railroad car center sill structure

 #54
20100101447
2010-04-29

Gondola rail car with tub floor

 #55
20090015028
2009-01-15

Rubber shield plate for mining dump trucks or freight train cars

 #56
20080127854
2008-06-05

Hopper car side construction and method

 #57
20080105159
2008-05-08

Reinforced Bi-Modal Open Top Trash/Refuse Trailer

 #58
20070089638
2007-04-26

Operating mechanism for covers of a hopper railcar

 #59
20060288903
2006-12-28

Flow through rail road freight car

 #60
20060207472
2006-09-21

Railway cars with combined material structures and method

 #61
20050069663
2005-03-31

Method for storing polymer

 #62
16380033
2023-01-10

Railroad car vented hatch cover assembly including a replaceable combined vented hatch cover protector and gasket