Patents by Inventor Chenghua Han
Chenghua Han has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11961961Abstract: The present application provides a secondary battery and an apparatus containing the same. The secondary battery includes: a negative electrode plate including a negative electrode current collector and a negative electrode film disposed on at least one surface of the negative electrode current collector, the negative electrode film including a negative active material; and an electrolyte including an electrolyte salt, an organic solvent, and an additive; wherein the negative active material includes a silicon-based material; the additive includes an additive A and an additive B; the additive A is selected from one or more of the compounds shown in Formula 1; the additive B is selected from one or more in the compound shown in Formula 2; the additive B has melting point of below or equal to 5° C.Type: GrantFiled: April 27, 2022Date of Patent: April 16, 2024Assignee: Contemporary Amperex Technology Co., LimitedInventors: Changlong Han, Zeli Wu, Chenghua Fu
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Publication number: 20240079600Abstract: The present application provides a cathode plate, a secondary battery, a battery module, a battery pack, and an electric device. The cathode plate includes: a current collector, a conductive coating, and a cathode active layer. The conductive coating is arranged on at least one surface of the current collector. The conductive coating includes a conductive agent having a weight content of 20% to 50% and a binder having a weight content of 50%˜80%. The cathode active layer is arranged on a surface of the conductive coating away from the current collector, and a cathode active material in the cathode active layer is at least one of a lithium manganate-based cathode material, a ternary cathode material, and a quaternary cathode material.Type: ApplicationFiled: October 31, 2023Publication date: March 7, 2024Inventors: Cuiping Zhang, Changlong Han, Chenghua Fu, Miaomiao Ren, Wen Chang, Peng Fan
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Patent number: 11859471Abstract: A modular initiator assembly comprising a receptacle and connector combination adapted to shunt the electrical contacts of the initiator as a default condition and to only unshunt the electrical contacts coupled to the initiator when the receptacle and connector establish a fully seated connection.Type: GrantFiled: June 16, 2023Date of Patent: January 2, 2024Assignee: Hunting Titan, Inc.Inventors: Christopher Sokolove, Chenghua Han, Faraidoon Pundole, Jason Hoang Mai
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Publication number: 20230332489Abstract: A modular initiator assembly comprising a receptacle and connector combination adapted to shunt the electrical contacts of the initiator as a default condition and to only unshunt the electrical contacts coupled to the initiator when the receptacle and connector establish a fully seated connection.Type: ApplicationFiled: June 16, 2023Publication date: October 19, 2023Applicant: Hunting Titan, Inc.Inventors: Christopher Sokolove, Chenghua Han, Faraidoon Pundole, Jason Hoang Mai
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Patent number: 11746624Abstract: A modular initiator assembly comprising a receptacle and connector combination adapted to shunt the electrical contacts of the initiator as a default condition and to only unshunt the electrical contacts coupled to the initiator when the receptacle and connector establish a fully seated connection.Type: GrantFiled: July 24, 2022Date of Patent: September 5, 2023Assignee: Hunting Titan, Inc.Inventors: Christopher Brian Sokolove, Chenghua Han, Faraidoon Pundole, Jason Hoang Mai
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Patent number: 11629585Abstract: A method and apparatus for acidizing and perforating simultaneously.Type: GrantFiled: January 14, 2020Date of Patent: April 18, 2023Assignee: Hunting Titan, Inc.Inventors: Chenghua Han, Ryan Rowell, Scott Thiessen, Joseph Hitt
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Publication number: 20220356789Abstract: A modular initiator assembly comprising a receptacle and connector combination adapted to shunt the electrical contacts of the initiator as a default condition and to only unshunt the electrical contacts coupled to the initiator when the receptacle and connector establish a fully seated connection.Type: ApplicationFiled: July 24, 2022Publication date: November 10, 2022Applicant: Hunting Titan, Inc.Inventors: Christopher Brian Sokolove, Chenghua Han, Faraidoon Pundole, Jason Hoang Mai
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Patent number: 11492878Abstract: A modular initiator assembly comprising a receptacle and connector combination adapted to shunt the electrical contacts of the initiator as a default condition and to only unshunt the electrical contacts coupled to the initiator when the receptacle and connector establish a fully seated connection.Type: GrantFiled: August 7, 2018Date of Patent: November 8, 2022Assignee: Hunting Titan, Inc.Inventors: Christopher Brian Sokolove, Chenghua Han, Faraidoon Pundole, Jason Hoang Mai
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Publication number: 20220090479Abstract: A method and apparatus for acidizing and perforating simultaneously.Type: ApplicationFiled: January 14, 2020Publication date: March 24, 2022Applicant: Hunting Titan, Inc.Inventors: Chenghua Han, Ryan Rowell, Scott Thiessen, Joseph Hitt
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Publication number: 20210164331Abstract: A modular initiator assembly comprising a receptacle and connector combination adapted to shunt the electrical contacts of the initiator as a default condition and to only unshunt the electrical contacts coupled to the initiator when the receptacle and connector establish a fully seated connection.Type: ApplicationFiled: August 7, 2018Publication date: June 3, 2021Applicant: Hunting Titan, Inc.Inventors: Christopher Brian Sokolove, Chenghua Han, Faraidoon Pundole, Jason Hoang Mai
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Patent number: 8685187Abstract: Disclosed are thermite charges for use in well perforation and downhole fracing. The thermite charges have a core, and optionally a case, where at least one of the core and the case includes thermite material.Type: GrantFiled: February 24, 2010Date of Patent: April 1, 2014Assignee: Schlumberger Technology CorporationInventors: Chenghua Han, Hongfa Huang
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Publication number: 20110146519Abstract: Disclosed are thermite charges for use in well perforation and downhole fracing. The thermite charges have a core, and optionally a case, where at least one of the core and the case includes thermite material.Type: ApplicationFiled: February 24, 2010Publication date: June 23, 2011Applicant: SCHLUMBERGER TECHNOLOGY CORPORATIONInventors: Chenghua Han, Hongfa Huang
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Patent number: 7942098Abstract: A loading tube for use in a perforating gun is disclosed which eliminates the necessity for utilization of plastic jackets to restrain shaped charges. The loading tube comprises a first tubular member and an engagement structure in the first tubular member in which the primer ends of the shaped charges may be installed. These engagement structures may be a center plate or inner tubular members. In each of the disclosed embodiments, a detonating cord connects the primer ends of the shaped charges which are installed in the loading tube.Type: GrantFiled: November 20, 2006Date of Patent: May 17, 2011Assignee: Schlumberger Technology CorporationInventors: Chenghua Han, Bennie Gill, Mark C. Duhon
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Patent number: 7673566Abstract: An apparatus for use in a wellbore comprises a heat insulating container having an inner space and having a structure defining a hollow containing a vacuum. The apparatus further comprises a reflective layer arranged on a surface of the heat insulating container to reflect heat for reducing radiated heat originated in the wellbore from reaching the inner space. Also, a signal-activated detonator is provided in the inner space of the heat insulating container.Type: GrantFiled: December 15, 2008Date of Patent: March 9, 2010Assignee: Schlumberger Technology CorporationInventors: Chenghua Han, Mark C. Duhon
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Publication number: 20090090263Abstract: An apparatus for use in a wellbore comprises a heat insulating container having an inner space and having a structure defining a hollow containing a vacuum. The apparatus further comprises a reflective layer arranged on a surface of the heat insulating container to reflect heat for reducing radiated heat originated in the wellbore from reaching the inner space. Also, a signal-activated detonator is provided in the inner space of the heat insulating container.Type: ApplicationFiled: December 15, 2008Publication date: April 9, 2009Applicant: SCHLUMBERGER TECHNOLOGY CORPORATIONInventors: Chenghua Han, Mark C. Duhon
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Patent number: 7481166Abstract: An apparatus for use in a wellbore comprises a heat insulating container having an inner space and having a structure defining a hollow containing a vacuum. The apparatus further comprises a reflective layer arranged on a surface of the heat insulating container to reflect heat for reducing radiated heat originated in the wellbore from reaching the inner space. Also, a signal-activated detonator is provided in the inner space of the heat insulating container.Type: GrantFiled: March 28, 2006Date of Patent: January 27, 2009Assignee: Schlumberger Technology CorporationInventors: Chenghua Han, Mark C. Duhon
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Patent number: 7409993Abstract: A weight spacer apparatus has a carrier which is tubular in shape and a spacer tube which is also tubular in shape for insertion into the carrier. The weight spacer apparatus also has a plurality of weight bars which may be inserted into the spacer tube after the spacer tube is inserted into the carrier and which are also removable from the spacer tube. In one embodiment, a weight tray is inserted into the spacer tube for receiving the weight bars, and the weight tray may be fabricated from half-round tubing with a welded plate to cover the diametric opening. In another embodiment, a center plate is attached inside the spacer tube along the length of the spacer tube to divide the spacer tube into first and second compartments.Type: GrantFiled: November 20, 2006Date of Patent: August 12, 2008Assignee: Schlumberger Technology CorporationInventors: Chenghua Han, Bennie Gill, Mark C. Duhon, Robert Ferrence, Jerry D. Campbell, Jr., Ronald Lutz
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Publication number: 20080121095Abstract: A loading tube for use in a perforating gun is disclosed which eliminates the necessity for utilization of plastic jackets to restrain shaped charges. The loading tube comprises a first tubular member and an engagement structure in the first tubular member in which the primer ends of the shaped charges may be installed. These engagement structures may be a center plate or inner tubular members. In each of the disclosed embodiments, a detonating cord connects the primer ends of the shaped charges which are installed in the loading tube.Type: ApplicationFiled: November 20, 2006Publication date: May 29, 2008Applicant: Schlumberger Technology CorporationInventors: Chenghua Han, Bennie Gill, Mark C. Duhon
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Publication number: 20080053298Abstract: Weight spacer apparatus is disclosed which comprises a carrier which is tubular in shape and a spacer tube which is also tubular in shape for insertion into the carrier. The weight spacer apparatus according to the present invention further comprises a plurality of weight bars which may be inserted into the spacer tube after the spacer tube is inserted into the carrier and which are also removable from the spacer tube. In one embodiment, a weight tray is inserted into the spacer tube for receiving the weight bars, and the weight tray may be fabricated from half-round tubing with a welded plate to cover the diametric opening. In another embodiment, a center plate is attached inside the spacer tube along the length of the spacer tube to divide the spacer tube into first and second compartments. The first compartment comprises a weight tray for receiving the plurality of weight bars, and the portion of the spacer tube opposite the first compartment has openings formed in it to receive shaped charges.Type: ApplicationFiled: November 20, 2006Publication date: March 6, 2008Applicant: Schlumberger Technology CorporationInventors: Chenghua Han, Bennie Gill, Mark C. Duhon, Robert Ference, Jerry D. Campbell, Ronald Lutz
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Publication number: 20070234921Abstract: An apparatus for use in a wellbore comprises a heat insulating container having an inner space and having a structure defining a hollow containing a vacuum. The apparatus further comprises a reflective layer arranged on a surface of the heat insulating container to reflect heat for reducing radiated heat originated in the wellbore from reaching the inner space. Also, a signal-activated detonator is provided in the inner space of the heat insulating container.Type: ApplicationFiled: March 28, 2006Publication date: October 11, 2007Applicant: SCHLUMBERGER TECHNOLOGY CORPORATIONInventors: Chenghua Han, Mark Duhon