Patents Examined by Sunil Singh
  • Patent number: 12385391
    Abstract: A rock-piercing flexible rock drilling robot and a rock breaking method therefor are disclosed. The robot includes a control system, a head, and at least one tail. The head includes a head housing, a propulsion turntable, a drilling mechanism, a hydraulic propulsion system, a first driving mechanism, and a second driving mechanism. The propulsion turntable includes a drill bit located at a center thereof and a cutting turntable arranged around the drill bit. The first driving mechanism is connected to the drill bit, and the second driving mechanism is connected to the cutting turntable. The tail includes a tail housing, an advancing and retreating power system, and a fixed support system. The head and the tail are connected through a flexible component, and the tails are connected through flexible components.
    Type: Grant
    Filed: August 16, 2022
    Date of Patent: August 12, 2025
    Assignee: CENTRAL SOUTH UNIVERSITY
    Inventors: Longjun Dong, Jian Wang, Yihan Zhang, Jiachuang Wang, Zheng Tang, Zhongwei Pei
  • Patent number: 12366042
    Abstract: In a self-propelled construction machine (1), in particular road milling machine or surface miner, for working a ground pavement, comprising a milling drum (10), which is mounted in a machine frame, wherein a milling cut develops during milling of the ground pavement with the milling drum (10), wherein the milling drum (10) comprises a first and a second end side, at least a first measuring device, which is arranged next to the first end side of the milling drum (10) and measures the distance of the machine frame relative to the ground pavement next to the first end side of the milling drum (10), at least a second measuring device, which is arranged next to the second end side of the milling drum (10) and measures the distance of the machine frame relative to the ground pavement next to the second end side of the milling drum (10), and a control device (40) for controlling the milling depth, wherein, in a first milling operation, the control device (40) determines the milling depth by means of measurements pe
    Type: Grant
    Filed: August 24, 2021
    Date of Patent: July 22, 2025
    Assignee: Wirtgen GmbH
    Inventors: Christian Berning, Hanjo Held, René Müller
  • Patent number: 12359567
    Abstract: A tunnel section subjected to grouting reinforcement is divided into two parts, that is, an upper half section and a lower half section, cutting vibration reduction holes used in coordination with cutting holes are formed in the upper half section, and the cutting vibration reduction holes are not charged and are filled with water bags only. According to the blast hole arrangement structure used for blasting for the rheological soft-weak surrounding rock tunnel of the invention, a cutting blasting effect is improved, excess energy is emptied and absorbed, propagation of shock waves and stress waves around is reduced, and vibration is reduced; and according to the invention, the purpose of forming vibration isolation holes in a tunnel excavation contour line of the upper half section is to prevent, absorb, reflect and refract the propagation of the blasting shock waves, stress waves and seismic waves.
    Type: Grant
    Filed: October 11, 2022
    Date of Patent: July 15, 2025
    Assignee: CHINA RAILWAY 18 BUREAU GROUP CO. LTD.
    Inventors: Xin Zhang, Jinshan Sun, Xiangping Zhang, Daqi Hu
  • Patent number: 12338597
    Abstract: A vibratory compactor is provided. The vibratory compactor may include a frame coupled to a compactor plate. The frame and compactor plate are configured to vibrate to compact soil. The vibratory compactor may also include a housing having an inner volume, the housing coupled to the frame by at least one isolator with the frame and the at least one load bearing member located within the inner volume. The housing may be coupled to an arm of an excavator. A gap may be formed between the housing and the frame, wherein the gap between the housing and the frame inhibits movement of the housing with respect to the frame through the housing contacting the frame when excess forces are applied to the housing in an up/down direction, a forward/backward direction, a side-to-side direction, or combinations thereof.
    Type: Grant
    Filed: September 8, 2023
    Date of Patent: June 24, 2025
    Inventor: Albert Ben Currey
  • Patent number: 12338721
    Abstract: Disclosed are a coal mining system and a coal mining method. The coal mining system includes: a mechanical coal breaking module, an air lift reverse circulation module, a jet coal breaking module, and a coal-air-water separation module. The mechanical coal breaking module includes: a drill pipe rotating device, a drill pipe, and a reamer bit, sequentially connected to perform rotary cutting, drilling and slotting operations on a coal seam in a borehole. The air lift reverse circulation module includes: an air compressor and a dual-wall drill pipe. The air compressor is configured to transport a coal-air-water mixture through an inner pipeline of the dual-wall drill pipe to the coal-air-water separation module. The jet coal breaking module includes: the drill pipe rotating device, a fracturing truck, the drill pipe, and a jet tool string, sequentially connected to mine the coal seam.
    Type: Grant
    Filed: July 1, 2024
    Date of Patent: June 24, 2025
    Assignee: CHINA UNIVERSITY OF MINING AND TECHNOLOGY, BEIJING
    Inventors: Yifan Zeng, Donghui Yang, Qiang Wu, Zilong Yuan, Hao Li, Junhao Ren, Zeyang Liu, Jia Zhao
  • Patent number: 12332038
    Abstract: An efficient cut blasting method for medium-length holes in deep high-stress rock roadway is disclosed. The method may comprise steps of carrying out a crustal stress blasting test on the free face of the in-situ rock roadway to be excavated, and obtaining a distribution state of cracks under a synergistic action of crustal stress, explosion stress waves and clamping force of surrounding rock of a rock mass in the stratum where the in-situ rock roadway to be excavated is located; arranging a cutting hole net on the free face of the rock roadway to be excavated according to a distribution state of the cracks; performing cut blasting based on the cutting hole net.
    Type: Grant
    Filed: June 27, 2023
    Date of Patent: June 17, 2025
    Assignee: UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJING
    Inventors: Renshu Yang, Chenxi Ding, Min Gong, Desheng Wang, Songlin He, Chenglong Xiao, Shuai You, Wen Chen
  • Patent number: 12330751
    Abstract: A tension foundation is provided for holding a buoyant object in flowing water via a tether. The tension foundation may include a spine component, rotation members rotatable about the spine component, slats, and additional features. The rotation members can include multiple types with distinct dimension ratios, which may be arranged in an alternating pattern. During operation, the tension foundation advantageously provides increased contacting edges to grip an uneven surface, such as a rocky lakebed or river bottom.
    Type: Grant
    Filed: June 25, 2024
    Date of Patent: June 17, 2025
    Assignee: Tornado Anchors, LLC
    Inventor: Keith Webster
  • Patent number: 12320626
    Abstract: A delivery system for mixing and dispensing a gel stemming material into a blast hole is disclosed. The system includes a dual-pump assembly in fluid communication with respective sources of a first gel precursor fluid and a second gel precursor fluid; a pair of hoses associated with a means to vary an effective length of said hoses; a dosing head having a first inlet and a second inlet, said inlets arranged in respective fluid communication via said hoses with the dual pump assembly to receive the first and second gel precursor fluids, the dosing head being configured to receive and mix the first and second gel precursor fluids to produce the gel stemming material and to dispense the gel stemming material via an outlet. In use, the effective length of the hoses may be varied to position the dosing head and dispense the gel stemming material in the blast hole.
    Type: Grant
    Filed: November 4, 2020
    Date of Patent: June 3, 2025
    Assignee: PWS—Stemsafe JV Pty Ltd
    Inventors: Edward Baker, Andrew Wheeler, Damien Browne, Allen Park
  • Patent number: 12312955
    Abstract: The invention relates to a milling machine, in particular a road milling machine, a stabiliser, a recycler or a surface miner, comprising a drive means which is configured such that the milling machine performs translatory and/or rotatory movements on the ground, and a working means which is configured such that the ground is machined. The invention also relates to a method for operating a milling machine of this type. The milling machine according to the invention has a control unit 15 to input drive parameters and work parameters. The control unit 15 is distinguished by a selection unit 15C to select an operating mode from a plurality of operating modes. The control and processing unit 20 has a memory 20A which stores at least one predetermined drive parameter which is assigned to the operating mode, and/or at least one predetermined work parameter which is assigned to the operating mode, for each operating mode of the plurality of operating modes.
    Type: Grant
    Filed: December 14, 2021
    Date of Patent: May 27, 2025
    Assignee: Wirtgen GmbH
    Inventors: Christian Berning, Andreas Vogt, Thomas Lehnert, Cyrus Barimani
  • Patent number: 12312956
    Abstract: A system and apparatus for plasma blasting comprises a borehole, with a novel blast probe, the probe comprising a high voltage electrode and a ground casing tube with a ground and/or electrode deflector. The ground and/or electrode deflector focuses a plasma blast through openings in the probe, directing the blast force away from the ends of the probe, wherein at least a portion of the high voltage electrode and the ground electrode are submerged in the blast media. The blasting media comprises water alone or in combination with other materials. The robust blast probe permits the aiming of the blast outside of the probe.
    Type: Grant
    Filed: August 29, 2022
    Date of Patent: May 27, 2025
    Assignee: Petram Technologies, Inc.
    Inventors: Nicholas Magnotti, Frank A. Magnotti, II
  • Patent number: 12297618
    Abstract: A pile-driver assembly for driving a pile into the ground, preferably off-shore, and a method of driving a pile into the ground using the pile-driver assembly is disclosed. The assembly includes a casing defining a chamber, the chamber being configured to house a fluid, the chamber comprising a channel extending at least partially therethrough. The assembly further includes a positioning element configured to position the casing at or on the pile, wherein at least a portion of the positioning element is positioned between the chamber and the pile, wherein the positioning element comprises a guide element, configured to extend at least partially through the channel of the chamber.
    Type: Grant
    Filed: June 26, 2020
    Date of Patent: May 13, 2025
    Assignee: IQIP Holding B.V.
    Inventor: Jasper Stefan Winkes
  • Patent number: 12281726
    Abstract: A machine for extracting a ductile pipe. The machine has a vise which can grip the pipe, and a wire clamp. Each of the wire clamp and vise are supported on a carriage which is movable relative to a frame. This enables the vise to grip and pull the ductile pipe. Additionally, a wire strand may be disposed through the pipe from a far end to the end at which the machine is placed. The wire clamp allows the machine to pre-stress the strand to improve the extraction of the ductile pipe.
    Type: Grant
    Filed: July 12, 2022
    Date of Patent: April 22, 2025
    Assignee: The Charles Machine Works, Inc.
    Inventors: Robert F. Crane, Mark D. Randa, Steven W. Wentworth
  • Patent number: 12281574
    Abstract: A sealing profile for embedding in a moulded part made of curable material. Spalling observed in practice, which occur, in particular, at corners of tubbings in the area with an integrated seal, can be effectively prevented or at least reduced by using a sealing profile where the flanks of the profile base, which is embedded within the moulded part, e.g., concrete tubbing, merge with rounded portions or chamfers into the profile base face. In addition, the at least one anchoring foot is located within the profile base face and thus outside the area of the rounded portions.
    Type: Grant
    Filed: December 1, 2020
    Date of Patent: April 22, 2025
    Assignee: Sealable Solutions GmbH
    Inventors: David Robes, Oliver Pasemann
  • Patent number: 12276196
    Abstract: A three-level prevention and control method for a rock burst roadway, the method comprising: pre-weakening a thick and hard rock layer above a roadway before the roadway is excavated; carrying out prestress support, pressure relief and reinforcement when the roadway is excavated; and carrying out stress transfer on an advance abutment pressure, and arranging a composite energy absorption protective structure around the roadway before the mining of a working face. By coordinating the spatio-temporal relationship between pressure relief, support and prevention, the energy dissipation in the rock burst roadway is changed from an unstable, disorderly and uncontrollable dissipation state to a stable, orderly and controllable dissipation state.
    Type: Grant
    Filed: April 15, 2021
    Date of Patent: April 15, 2025
    Assignee: CCTEG COAL MINING RESEARCH INSTITUTE
    Inventors: Yongzheng Wu, Yukai Fu, Xiaowei Chu, Jinyu Chen, Jie He, Xinhua Liu, Xianzhi Meng
  • Patent number: 12247369
    Abstract: A wick drain shoe is configured to be connected to a free end of a length of wick drain material and driven by a mandrel of a wick drain insertion system. The wick drain shoe comprises a base portion and an extension portion secured to the base portion to define first and second shoe openings, an anchor portion, and a bearing portion. The wick drain material is connected to the wick drain shoe by inserting the free end through the first and second shoe openings such that the anchor portion and bearing portion engage the wick drain material when the wick drain material is under tension. The base portion is sized and dimensioned to engage the mandrel such that displacement of the mandrel in a first direction causes displacement of the wick drain shoe in the first direction.
    Type: Grant
    Filed: July 21, 2021
    Date of Patent: March 11, 2025
    Assignee: American Piledriving Equipment, Inc.
    Inventor: Eric C. Legault
  • Patent number: 12241371
    Abstract: Disclosed are an integrated mining method and an integrated mining system of coal breaking, coal extraction and water circulation in a U-well. The integrated mining system includes a first ground facility unit, a second ground facility unit, a jet unit and an extraction unit. The first ground facility unit is configured to transport jet fluid to the jet unit. The jet unit is configured to break a coal seam in a sub-segment to obtain broken cinders. The extraction unit is configured to extract a coal-water mixture. The second ground facility unit is configured to receive the coal-water mixture. In response to determining that an extraction of the sub-segment is complete, the jet unit and the extraction unit is configured to move to a next sub-segment using powers provided by the first ground facility unit and the second ground facility unit.
    Type: Grant
    Filed: July 1, 2024
    Date of Patent: March 4, 2025
    Assignee: CHINA UNIVERSITY OF MINING AND TECHNOLOGY, BEIJING
    Inventors: Yifan Zeng, Donghui Yang, Qiang Wu, Hao Li, Junhao Ren, Zeyang Liu, Jia Zhao, Zilong Yuan
  • Patent number: 12226925
    Abstract: A spacer, blade core, assembly and methods for blade and blade core assemblies, including gang blade heads, include openings in blade cores for receiving spacers. A spacer and its opening can be the same shape or different shapes, and spacers can be interconnected or disconnected from each other. A spacer can be in contact or engaged with two blades, three blades, or more.
    Type: Grant
    Filed: February 4, 2021
    Date of Patent: February 18, 2025
    Assignee: BARON INVESTMENTS, LLC
    Inventor: Anthony Baratta
  • Patent number: 12221758
    Abstract: The present disclosure discloses a buffering fishway suitable for emergent flood discharge with reduction in damage and a buffering method thereof. The buffering fishway includes a fishway body, wherein a migration passage is arranged inside the fishway body, one end of which is rotationally connected with a fixing base, and the other end of which is rotationally connected with a counterweighting floating dock, and a plurality of buffering plates capable of swinging are hinged inside the migration passage, furthermore, the present disclosure also provides a buffering method corresponding to it. The present disclosure effectively reduces the potential energy of the flood and weakens the impact force on the fish. Therefore, the gate dam having this design effectively avoids the fish in the fishway from being fiercely impacted by the flood and easily resulting in damage during discharging flood, having a high protective effect on the fish.
    Type: Grant
    Filed: March 4, 2022
    Date of Patent: February 11, 2025
    Assignees: CHINA THREE GORGES CORPORATION, CHINA THREE GORGES UNIVERSITY
    Inventors: Huichao Dai, Junjun Tan, Dingguo Jiang, Xiaotao Shi, Zhenbiao Liu, Yu Wang
  • Patent number: 12216483
    Abstract: A flood control system for remotely and automatically controlling flooding and water storage on reservoirs. The flood control system generally includes a central computer that controls the water level by controlling or communicating with flow control gates positioned near a number of culverts, wherein each flow control gate typically includes: (a) a control unit communicatively coupled to the central computer, the control unit capable of sending local condition data to the central computer via a wireless connection and further capable of receiving control commands from the central computer; (b) an input/output interface capable of receiving signals or data regarding physical conditions proximate the flow control gate, the input/output interface coupled to the control unit; and (c) a water shutoff valve controllable by the control unit and positioned to selectively allow or block the flow of water through each culvert, wherein each control unit controls each water shutoff valve.
    Type: Grant
    Filed: January 24, 2022
    Date of Patent: February 4, 2025
    Inventor: Kevin N. Biffert
  • Patent number: 12216468
    Abstract: An autonomous off-road vehicle (AOV) autonomously performs a pile driving operation by driving a pile into the ground at a location identified by a pile plan map. The AOV detects one or more attributes of the pile using one or more sensors during or after the pile driving operation. The AOV determines whether the one or more attributes of the pile exceed respective tolerance thresholds. The AOV performs a quality control action in response to determining that the one or more attributes of the pile exceed the respective tolerance thresholds. The one or more attributes include one or more of a location and an orientation of the pile, and the quality control action is performed in response to determining that the location or the orientation of the pile exceeds the respective tolerance threshold.
    Type: Grant
    Filed: December 21, 2022
    Date of Patent: February 4, 2025
    Assignee: Built Robotics Inc.
    Inventors: Noah Austen Ready-Campbell, Andrew Xiao Liang, Gaurav Jitendra Kikani