LI; Guobao

Patent Applications and Registrations

Patent applications and USPTO patent grants for LI; Guobao.The latest application filed is for "600 mpa grade non-oriented electrical steel sheet and manufacturing method thereof".

Company Profile

7.13.24

LI; Guobao - SHANGHAI CN

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
600 Mpa Grade Non-oriented Electrical Steel Sheet And Manufacturing Method Thereof App 20220275472 - ZHANG; Feng ; et al.	2022-09-01
High-magnetic-induction Oriented Silicon Steel And Manufacturing Method Therefor App 20220275470 - ZHANG; Huabing ; et al.	2022-09-01
Apparatus and method for rapidly heating cold-rolled strip steel Grant 11,352,680 - Zhang , et al. June 7, 2	2022-06-07
Laser-scribed grain-oriented silicon steel resistant to stress-relief annealing and manufacturing method therefor Grant 11,355,275 - Zhao , et al. June 7, 2	2022-06-07
Induction Heating System And Method For Silicon Steel Core With Self- Adhesive Coating App 20210227646 - JIN; Xiaoli ; et al.	2021-07-22
Grain-oriented Silicon Steel With Low Core Loss And Manufacturing Method Therefore App 20210101230 - WU; Meihong ; et al.	2021-04-08
Manufacturing Method For High Silicon Grain Oriented Electrical Steel Sheet App 20210047706 - ZHANG; Huabing ; et al.	2021-02-18
Method For Manufacturing Stress-relief-annealing-resistant, Low-iron-loss Grain-oriented Silicon Steel App 20200362433 - CHU; Shuangjie ; et al.	2020-11-19
Apparatus And Method For Rapidly Heating Cold-rolled Strip Steel App 20200291501 - ZHANG; Huabing ; et al.	2020-09-17
Laser-scribed Grain-oriented Silicon Steel Resistant To Stress-relief Annealing And Manufacturing Method Therefor App 20200058434 - ZHAO; Zipeng ; et al.	2020-02-20
Oriented silicon steel and method for manufacturing same Grant 10,566,119 - Yang , et al. Feb	2020-02-18
Silicon Steel Product With Low Iron Loss For Low-noise Transformer, And Manufacturing Method Thereof App 20190255657 - ZHAO; ZIPENG ; et al.	2019-08-22
High magnetic induction oriented silicon steel and manufacturing method thereof Grant 10,236,105 - Zhang , et al.	2019-03-19
Manufacturing method of common grain-oriented silicon steel with high magnetic induction Grant 9,905,361 - Shen , et al. February 27, 2	2018-02-27
Fast-speed laser scoring method Grant 9,604,312 - Huang , et al. March 28, 2	2017-03-28
Method for detecting electromagnetic property of oriented silicon steel Grant 9,460,054 - Wu , et al. October 4, 2	2016-10-04
Oriented Silicon Steel and Method for Manufacturing Same App 20150302962 - YANG; Guohua ; et al.	2015-10-22
Manufacturing Method of Common Grain-Oriented Silicon Steel with High Magnetic Induction App 20150255211 - Shen; Kanyi ; et al.	2015-09-10
Method for manufacturing grain-oriented silicon steel with single cold rolling Grant 9,038,429 - Li , et al. May 26, 2	2015-05-26
Manufacture Method Of Oriented Silicon Steel Having Good Magnetic Performance App 20130299049 - Wu; Meihong ; et al.	2013-11-14
Annualing Separation Agent For Producing Grain-oriented Silicon Steel With Smooth Surface And Good Magnetic Property App 20130292005 - Zhao; Zipeng ; et al.	2013-11-07
Fast-speed Laser Scoring Method App 20130284711 - Huang; Wangya ; et al.	2013-10-31
Method For Manufacturing Oriented Silicon Steel Product With High Magnetic-flux Density App 20130233450 - Xu; Qi ; et al.	2013-09-12
Method For Detecting Electromagnetic Property Of Oriented Silicon Steel App 20130090876 - Wu; Meihong ; et al.	2013-04-11
Manufacturing method of oriented SI steel with high electric-magnetic property Grant 8,333,846 - Yang , et al. December 18, 2	2012-12-18
Method for producing grain-oriented silicon steel containing copper Grant 8,231,739 - Ji , et al. July 31, 2	2012-07-31
Method For Manufacturing Grain-oriented Silicon Steel With Single Cold Rolling App 20120000262 - Li; Guobao ; et al.	2012-01-05
Method For Producing Grain-oriented Silicon Steel Containing Copper App 20110180187 - JI; Yaming ; et al.	2011-07-28
Manufacturing Method Of Oriented Si Steel With High Electric-magnetic Property App 20110139313 - Yang; Guohua ; et al.	2011-06-16

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