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Patent Assignment Assignor Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Assignor Name : ZHOU, YONGFEI
Total Assignments: 10
Assignment: 1
Reel/Frame:057674/0228   Pages: 3
Recorded: 09/30/2021
Attorney Dkt #:125295-5017
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LI, XING
Exec Dt:
09/26/2021
2
ZHOU, YONGFEI
Exec Dt:
09/26/2021
3
DUAN, CHUANLIN
Exec Dt:
09/26/2021
Assignee
1
BEIJING ROBOROCK TECHNOLOGY CO., LTD.
FLOOR 6, SUITE 6016, 6017, 6018, BUILDING C, KANGJIANBAOSHENG SQUARE NO. 8, HEIQUAN ROAD, HAIDIAN DISTRICT
BEIJING, CHINA 100085
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220175206
17599802
Correspondence name and address
JANICE H. LOGAN
1111 PENNSYLVANIA AVE NW
WASHINGTON, DC 20004
Assignment: 2
Reel/Frame:061271/0184   Pages: 5
Recorded: 09/30/2022
Attorney Dkt #:810139.403C1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LI, XING
Exec Dt:
06/22/2022
2
LIN, XIANG
Exec Dt:
06/22/2022
3
DUAN, CHUANLIN
Exec Dt:
06/22/2022
4
LIANG, BINXIONG
Exec Dt:
06/22/2022
5
ZHOU, YONGFEI
Exec Dt:
06/22/2022
6
WANG, XIAOLIANG
Exec Dt:
06/22/2022
7
PENG, SONG
Exec Dt:
06/22/2022
8
HAN, XINYU
Exec Dt:
06/22/2022
Assignee
1
BEIJING ROBOROCK TECHNOLOGY CO., LTD.
FLOOR 6, SUITE 6016, 6017, 6018, BUILDING C,
KANGJIANBAOSHENG SQUARE NO. 8, HEIQUAN ROAD
HAIDIAN DISTRICT, BEIJING, CHINA 100085
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230029165
17956561
Correspondence name and address
SEED IP LAW GROUP LLP
701 FIFTH AVENUE
SUITE 5400
SEATTLE, WA 98104
Assignment: 3
Reel/Frame:062162/0762   Pages: 5
Recorded: 12/20/2022
Attorney Dkt #:41163.04016
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LI, XING
Exec Dt:
12/15/2022
2
ZHOU, YONGFEI
Exec Dt:
12/15/2022
3
DUAN, CHUANLIN
Exec Dt:
12/15/2022
Assignee
1
BEIJING ROBOROCK TECHNOLOGY CO., LTD.
FLOOR 6, SUITE 6016, 6017, 6018, BUILDING C
KANGJIANBAOSHENG SQUARE NO. 8, HEIQUAN ROAD
HAIDIAN DISTRICT, BEIJING, CHINA 100085
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230277022
18068969
Correspondence name and address
YIZHOU LIU
CALFEE, HALTER & GRISWOLD LLP
1405 EAST SIXTH STREET
CLEVELAND, OH 44114-1607
Assignment: 4
Reel/Frame:062835/0047   Pages: 5
Recorded: 03/01/2023
Attorney Dkt #:41163-04015
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LI, XING
Exec Dt:
12/15/2022
2
ZHOU, YONGFEI
Exec Dt:
12/15/2022
3
DUAN, CHUANLIN
Exec Dt:
12/15/2022
Assignee
1
BEIJING ROBOROCK TECHNOLOGY CO., LTD.
FLOOR 6, SUITE 6016, 6017, 6018, BUILDING C
KANGJIANBAOSHENG SQUARE NO. 8, HEIQUAN ROAD
HAIDIAN DISTRICT, BEIJING, CHINA 100085
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240023699
18043586
Correspondence name and address
YIZHOU LIU
CALFEE, HALTER & GRISWOLD LLP
THE CALFEE BUILDING, 1405 EAST SIXTH ST.
CLEVELAND, OH 44114
Assignment: 5
Reel/Frame:064388/0058   Pages: 6
Recorded: 07/26/2023
Attorney Dkt #:41163.04014
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LI, XING
Exec Dt:
12/15/2022
2
ZHOU, YONGFEI
Exec Dt:
12/15/2022
3
DUAN, CHUANLIN
Exec Dt:
12/15/2022
4
ZHOU, CHONG
Exec Dt:
12/15/2022
5
GONG, DAHONG
Exec Dt:
04/18/2023
6
CHEN, HONGFENG
Exec Dt:
04/12/2023
Assignee
1
BEIJING ROBOROCK TECHNOLOGY CO., LTD.
FLOOR 6, SUITE 6016, 6017, 6018, BUILDING C
KANGJIANBAOSHENG SQUARE NO. 8, HEIQUAN ROAD
HAIDIAN DISTRICT, BEIJING, CHINA 100085
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240074636
18262976
Correspondence name and address
YIZHOU LIU
CALFEE, HALTER & GRISWOLD LLP
THE CALFEE BUILDING, 1405 EAST SIXTH ST.
CLEVELAND, OH 44114
Assignment: 6
Reel/Frame:066010/0346   Pages: 12
Recorded: 01/03/2024
Attorney Dkt #:41163.04045
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
XU, HONGLIANG
Exec Dt:
12/27/2023
2
YU, GUANG
Exec Dt:
12/27/2023
3
DUAN, CHUANLIN
Exec Dt:
12/27/2023
4
GONG, DAHONG
Exec Dt:
12/27/2023
5
ZHOU, YONGFEI
Exec Dt:
12/27/2023
Assignee
1
BEIJING ROBOROCK TECHNOLOGY CO., LTD.
ROOM 1001, FLOOR 10, BUILDING 3, YARD 17, ANJU ROAD
CHANGPING DISTRICT
BEIJING, CHINA 102206
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240292986
18574711
Correspondence name and address
YIZHOU LIU
CALFEE, HALTER & GRISWOLD LLP
1405 EAST SIXTH STREET
CLEVELAND, OH 44114-1607
Assignment: 7
Reel/Frame:067878/0950   Pages: 5
Recorded: 06/30/2024
Attorney Dkt #:41163.04052
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHOU, YONGFEI
Exec Dt:
06/22/2024
2
YANG, ZHIMIN
Exec Dt:
06/22/2024
3
DUAN, CHUANLIN
Exec Dt:
06/22/2024
Assignee
1
BEIJING ROBOROCK TECHNOLOGY CO., LTD.
ROOM 1001, FLOOR 10, BUILDING 3, YARD 17
ANJU ROAD, CHANGPING DISTRICT
BEIJING, CHINA 102206
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20250098924
18725789
Correspondence name and address
YIZHOU LIU
THE CALFEE BUILDING, 1405 EAST SIXTH ST.
CLEVELAND, OH 44114
Assignment: 8
Reel/Frame:067879/0087   Pages: 5
Recorded: 06/30/2024
Attorney Dkt #:41163.04053
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHOU, YONGFEI
Exec Dt:
06/22/2024
2
DUAN, CHUANLIN
Exec Dt:
06/22/2024
3
YANG, ZHIMIN
Exec Dt:
06/22/2024
Assignee
1
BEIJING ROBOROCK TECHNOLOGY CO., LTD.
ROOM 1001, FLOOR 10, BUILDING 3, YARD 17
ANJU ROAD, CHANGPING DISTRICT
BEIJING, CHINA 102206
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20250098925
18725794
Correspondence name and address
YIZHOU LIU
THE CALFEE BUILDING, 1405 EAST SIXTH ST.
CLEVELAND, OH 44114
Assignment: 9
Reel/Frame:069849/0820   Pages: 5
Recorded: 01/14/2025
Attorney Dkt #:101203-1390
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHOU, YONGFEI
Exec Dt:
06/22/2024
2
DUAN, CHUANLIN
Exec Dt:
06/22/2024
3
YANG, ZHIMIN
Exec Dt:
06/22/2024
4
LU, YOUCHENG
Exec Dt:
06/22/2024
Assignee
1
BEIJING ROBOROCK TECHNOLOGY CO., LTD.
ROOM 1001, FLOOR 10, BUILDING 3, YARD 17, ANJU ROAD
CHANGPING DISTRICT
BEIJING, CHINA 102206
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20250127367
18725438
Correspondence name and address
KENNETH A. KNOX
5871 GLENRIDGE DRIVE
SUITE 350
ATLANTA, GA 30328-5376
Assignment: 10
Reel/Frame:069297/0294   Pages: 5
Recorded: 11/18/2024
Attorney Dkt #:101203-1420
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHOU, YONGFEI
Exec Dt:
06/24/2024
2
LI, ZANGUANG
Exec Dt:
06/24/2024
3
CHENG, PAN
Exec Dt:
06/24/2024
Assignee
1
BEIJING ROBOROCK TECHNOLOGY CO., LTD.
ROOM 1001, FLOOR 10, BUILDING 3, YARD 17
ANJU ROAD, CHANGPING DISTRICT
BEIJING, CHINA 102206
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20250064288
18724745
Correspondence name and address
KENNETH A. KNOX
5871 GLENRIDGE DRIVE
SUITE 350
ATLANTA, GA 30328-5376

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