ClassID:

75889

B65D88/30 - CPC Classification

Classification description:

Large containers; Hoppers, i.e. containers having funnel-shaped discharge sections specially adapted to facilitate transportation from one utilisation site to another

Recent Application in this class:
#1
20250263225
2025-08-21

CONTROLLING DISCHARGE SYSTEM AND METHOD FOR MULTI-HOPPER VEHICLES

#2
20250122790
2025-04-17

SYSTEM AND METHOD FOR DELIVERING PROPPANT FROM A PROPPANT SOURCE TO A WELL SITE

#3
20240367896
2024-11-07

PROPPANT SUPPLY SYSTEM

#4
20240286829
2024-08-29

GATE OPENER FOR PROPPANT CONTAINER

#5
20240246754
2024-07-25

PROTECTIVE DEVICE, PROTECTIVE ARRANGEMENT FOR A CONTAINER AND METHOD FOR CONNECTING A PROTECTIVE DEVICE TO A CONTAINER

#6
20240239597
2024-07-18

SELF-LOCKING FOLDING HOPPER AND A LOCKING METHOD THEREOF

#7
20240140695
2024-05-02

INLET ASSEMBLY FOR A FILLING ASSEMBLY OF A STORAGE COMPARTMENT ASSEMBLY

#8
20230358125
2023-11-09

Proppants processing system and method

#9
20230257192
2023-08-17

Diffuser spout for load out silo

#10
20230032674
2023-02-02

GRANULAR MATERIALS BOX SYSTEM

#11
20220289472
2022-09-15

Dry bulk hopper system

#12
20220259039
2022-08-18

CHEMICAL CONVERTER FOR PRODUCTION OF HYDROGEN GAS

#13
20210354910
2021-11-18

Proppant supply system

#14
20210276793
2021-09-09

Mobile and cascadable storage silo

#15
20210229900
2021-07-29

Logistics container for frac sand and frac liquid

#16
20210214153
2021-07-15

Storage system for volatile liquids

#17
20210179345
2021-06-17

High capacity container with multiple discharge locations

#18
20210130085
2021-05-06

Corrugated storage container

#19
20210114502
2021-04-22

Silo transport safe retrieval system

#20
20210009344
2021-01-14

Method of handling proppant at a well site using a plurality of modular proppant containers

#21
20210001349
2021-01-07

Feed hopper for a material processing device

#22
20200361704
2020-11-19

Cradle for proppant container having tapered box guides

#23
20200330941
2020-10-22

Loading and unloading of material containers

#24
20200262642
2020-08-20

Storage and dispensing bins for flowable material

#25
20200255214
2020-08-13

MOBILE OILFIELD MATERIALTRANSFER UNIT

#26
20200223626
2020-07-16

BULK MATERIAL SHIPPING CONTAINER UNLOADER

#27
20200199990
2020-06-25

PORTABLE CONVEYING APPARATUS FOR TRANSFERRING PROPPANT FROM STORAGE CONTAINER TO BLENDER IN A HYDRAULIC FRACTURING OPERATION

#28
20200198885
2020-06-25

High capacity container with multiple discharge locations

#29
20200156885
2020-05-21

Bulk loader system for thermoplastic pellets

#30
20200109005
2020-04-09

Hopper-in-frame for transporting proppant material

#31
20200048020
2020-02-13

Dust control systems for discharge of bulk material

#32
20200010268
2020-01-09

Multi-PRB operation for narrowband systems

#33
20190381926
2019-12-19

Feed distribution assembly

#34
20190284770
2019-09-19

Asphalt mixing plant

#35
20190264649
2019-08-29

POWER GENERATING SYSTEM

#36
20190248578
2019-08-15

Blender hopper control system for multi-component granular compositions

#37
20190241356
2019-08-08

Modular bulk material container

#38
20190185258
2019-06-20

Portable collapsable storage bin and unloading system

#39
20190119038
2019-04-25

Specialized container for the storing of granulated raw materials and operations support base

#40
20190106274
2019-04-11

System and method for delivery of oilfield materials

#41
20190100391
2019-04-04

Transport, Loading and Storage System for Granular Materials

#42
20190092563
2019-03-28

System and methodology for delivering bulk material at a work site

#43
20190002196
2019-01-03

Semi-rigid bulk material storage container

#44
20180354123
2018-12-13

Portable dry chemical delivery robot

#45
20180319585
2018-11-08

Textile silica reduction system

#46
20180297503
2018-10-18

Storage management system

#47
20180257857
2018-09-13

Proppant system

#48
20180251291
2018-09-06

Roll-off transport barrel with gravity, vacuum, and pneumatic loading and unloading

#49
20180229926
2018-08-16

Bulk material shipping container unloader

#50
20180229925
2018-08-16

Bulk material shipping container unloader

#51
20180208395
2018-07-26

METHOD FOR MODIFYING A CARGO CONTAINER FOR DELIVERY OF PROPPANT TO A FRAC SITE

#52
20180194259
2018-07-12

Vertically oriented transportable container with improved stability

#53
20180155140
2018-06-07

Bulk loader system for thermoplastic pellets

#54
20180148269
2018-05-31

METHODS AND SYSTEMS TO TRANSFER PROPPANT FOR FRACKING WITH REDUCED RISK OF PRODUCTION AND RELEASE OF SILICA DUST AT A WELL SITE

#55
20180134507
2018-05-17

Bucket conveyor system on storage/delivery system

#56
20180127203
2018-05-10

Mobile erector system

#57
20180093823
2018-04-05

Material transport system and method

#58
20180072491
2018-03-15

Intermodal storage and transportation container

#59
20180057252
2018-03-01

Cradle for proppant container having tapered box guides and associated methods

#60
20180050864
2018-02-22

PROPPANT DISCHARGE SYSTEM AND A CONTAINER FOR USE IN SUCH A PROPPANT DISCHARGE SYSTEM

#61
20180016095
2018-01-18

Apparatus for the transport and storage of proppant

#62
20170327309
2017-11-16

SILO WITH RECONFIGURABLE ORIENTATION

#63
20170320684
2017-11-09

SUPPORT APPARATUS FOR MOVING PROPPANT FROM A CONTAINER IN A PROPPANT DISCHARGE SYSTEM

#64
20170320660
2017-11-09

Stackable container system, operating system using container system, and method

#65
20170313499
2017-11-02

Delivery, storage and blending system for multi-component granular compositions

#66
20170305656
2017-10-26

PROPPANT DISCHARGE METHOD AND A CONTAINER FOR USE IN SUCH A PROPPANT DISCHARGE METHOD

#67
20170291760
2017-10-12

Proppant discharge system and a container for use in such a proppant discharge system

#68
20170283165
2017-10-05

Proppant discharge system and a container for use in such a proppant discharge system

#69
20170274813
2017-09-28

Intermodal storage and transportation container

#70
20170267449
2017-09-21

Seed storage and dispensing bin

#71
20170240350
2017-08-24

Method of delivering, storing, unloading, and using proppant at a well site

#72
20170225883
2017-08-10

Proppant discharge system having a container and the process for providing proppant to a well site

#73
20170217671
2017-08-03

Bulk material shipping container unloader

#74
20170203917
2017-07-20

SYSTEMS AND METHODS FOR SAFELY TRANSPORTING GRANULAR MATERIAL

#75
20170158426
2017-06-08

Micronized dry barite powder bulk movement

#76
20170144834
2017-05-25

Cradle for proppant container having tapered box guides

#77
20170065954
2017-03-09

Temporary addition or injection system

#78
20170021318
2017-01-26

Storage and blending system for multi-component granular compositions

#79
20160340111
2016-11-24

Modular shipping apparatus and system

#80
20160332811
2016-11-17

SYSTEMS AND METHODS FOR BULK MATERIAL STORAGE AND/OR TRANSPORT

#81
20160332809
2016-11-17

Systems and methods for bulk material storage and/or transport

#82
20160311612
2016-10-27

MOBILE TRANSFER STATION FOR FLOWABLE MATERIAL

#83
20160297605
2016-10-13

INTERLOCKING CONTAINER

#84
20160244253
2016-08-25

Proppant discharge system and a container for use in such a proppant discharge system

#85
20160236880
2016-08-18

Granular material storage with input and output

#86
20160207700
2016-07-21

Method of delivering, storing, unloading, and using proppant at a well site

#87
20160207699
2016-07-21

Method of delivering, storing, unloading, and using proppant at a well site

#88
20160185522
2016-06-30

Vertically oriented transportable container with improved stability

#89
20160159567
2016-06-09

Method for delivery of proppant to a frac site

#90
20160122125
2016-05-05

Storage tank with discharge conveyor

#91
20160114969
2016-04-28

Cradle for proppant container having tapered box guides

#92
20160083181
2016-03-24

Modified cargo container for delivery of proppant to a frac site

#93
20160083180
2016-03-24

Method for Modifying a Cargo Container for Delivery of Proppant to a Frac Site

#94
20160083177
2016-03-24

Methods and systems to transfer proppant for fracking with reduced risk of production and release of silica dust at a well site

#95
20160075507
2016-03-17

Proppant discharge system and a container for use in such a proppant discharge system

#96
20160068342
2016-03-10

Methods and systems to transfer proppant for fracking with reduced risk of production and release of silica dust at a well site

#97
20160068337
2016-03-10

Proppant discharge system and a container for use in such a proppant discharge system

#98
20160059168
2016-03-03

Textile silica reduction system

#99
20160046454
2016-02-18

Proppant discharge system and a container for use in such a proppant discharge system

#100
20160046438
2016-02-18

Methods and systems to transfer proppant for fracking with reduced risk of production and release of silica dust at a well site

#101
20150368052
2015-12-24

Belly-dump intermodal cargo container

#102
20150360857
2015-12-17

Proppant discharge system and a container for use in such a proppant discharge system

#103
20150360855
2015-12-17

Proppant discharge system and a container for use in such a proppant discharge system

#104
20150344222
2015-12-03

Modular transportation systems, devices and methods

#105
20150291348
2015-10-15

Interlocking container

#106
20150284194
2015-10-08

Apparatus for the transport and storage of proppant

#107
20150274414
2015-10-01

Shipping container and insert

#108
20150183578
2015-07-02

Proppant discharge system and a container for use in such a proppant discharge system

#109
20150166260
2015-06-18

Mobile erector system

#110
20150166135
2015-06-18

Chassis and support structure alignment

#111
20150114996
2015-04-30

Bulk storage container and bulk material handling assembly therewith

#112
20150086308
2015-03-26

Fracture sand silo system and methods of deployment and retraction of same

#113
20150069054
2015-03-12

Collapsible hopper bin

#114
20150053292
2015-02-26

Storage apparatus having tank with tapered bottom and axle assembly

#115
20150044004
2015-02-12

Mobile oilfield materialtransfer unit

#116
20150044003
2015-02-12

System and method for delivery of oilfield materials

#117
20150003955
2015-01-01

Proppant discharge system and a container for use in such a proppant discharge system

#118
20150003943
2015-01-01

Proppant discharge system and a container for use in such a proppant discharge system

#119
20140305769
2014-10-16

Intermodal storage and transportation container

#120
20140299226
2014-10-09

Method of delivering, storing, unloading, and using proppant at a well site

#121
20140224812
2014-08-14

Vertically oriented transportable container with improved stability

#122
20140169920
2014-06-19

Transport apparatus for elongate objects

#123
20140166647
2014-06-19

Container to deliver bulk granular material

#124
20140093339
2014-04-03

Portable silo with solar powered actuators

#125
20140083554
2014-03-27

Systems and methods for bulk material storage and/or transport

#126
20140050553
2014-02-20

System and method to assist in lifting a vessel

#127
20140023465
2014-01-23

Support apparatus for moving proppant from a container in a proppant discharge system

#128
20140023464
2014-01-23

Proppant discharge system and a container for use in such a proppant discharge system

#129
20140023463
2014-01-23

PROPPANT DISCHARGE SYSTEM AND A CONTAINER FOR USE IN SUCH A PROPPANT DISCHARGE SYSTEM

#130
20140020892
2014-01-23

Proppant discharge system and a container for use in such a proppant discharge system

#131
20140020765
2014-01-23

Proppant discharge system having a container and the process for providing proppant to a well site

#132
20130243553
2013-09-19

Bulk material storage apparatus

#133
20130209204
2013-08-15

CARGO CONTAINER TO DELIVER SAND TO A FRAC SITE

#134
20130206415
2013-08-15

Method and Apparatus for Modifying a Cargo Container to Deliver Sand to a Frac Site

#135
20130037140
2013-02-14

Storage apparatus

#136
20130004275
2013-01-03

Delivery and dispense hopper

#137
20130004272
2013-01-03

Apparatus for transporting frac sand in intermodal container

#138
20130001224
2013-01-03

STORAGE TANK

#139
20120273484
2012-11-01

Storage Bin

#140
20120134772
2012-05-31

Transportable Bin

#141
20120024738
2012-02-02

Rotatable bin or like object

#142
20110284027
2011-11-24

Methods for granular scavenger material transfer

#143
20110255941
2011-10-20

Portable silo with adjustable legs

#144
20110127178
2011-06-02

Bulk material storage apparatus

#145
20110011893
2011-01-20

Transportable bulk container with slide gate dispenser

#146
20100278621
2010-11-04

Bulk Material Container and Container Discharging Apparatus

#147
20100193077
2010-08-05

CONTAINERIZED SILO

#148
20100108711
2010-05-06

Apparatuses and methods for bulk dispensing

#149
20100071284
2010-03-25

Self Erecting Storage Unit

#150
20100017021
2010-01-21

Apparatus and method for coordinating automated package and bulk dispensing

#151
20090129903
2009-05-21

PORTABLE MORTAR HOPPER

#152
20080210093
2008-09-04

Container

#153
20080029553
2008-02-07

Storage Bin

#154
20070207017
2007-09-06

METHOD AND APPARATUS FOR SUPPLYING BULK PRODUCT TO AN END USER

#155
20070122257
2007-05-31

Method and apparatus for transporting bulk materials

#156
20070005186
2007-01-04

Apparatus and method for coordinating automated package and bulk dispensing

#157
20060180232
2006-08-17

Intermodal container for shipping and storage of roofing granules

#158
20050281652
2005-12-22

Portable tilting container loader

#159
20050260062
2005-11-24

Method and apparatus for supplying bulk product to an end user

#160
18615322
2026-01-20

Proppant delivery systems and related methods

#161
18305958
2024-03-26

Proppant delivery systems and related methods

#162
14996699
2018-03-13

Flow balanced frac tank farm