Assignee
BEIJING ZHONG KE SAN HUAN
CN·6 granted patents·8 pending applications·5 citations·filing 2013–2025
Top patents by PatentIndex Score
14 records- 0183US10014099B2Rare earth permanent magnet and method for preparing sameBEIJING ZHONG KE SAN HUAN·Filed 2016·Granted Jul 3, 2018·2 cites·13 claims
- 0273US10115506B2Nd—Fe—B sintered magnet and methods for manufacturing the sameBEIJING ZHONG KE SAN HUAN·Filed 2013·Granted Oct 30, 2018·2 cites·16 claims
- 0370US12305265B2Fine grain rare earth alloy cast strip, preparation method thereof, and a rotary cooling roll deviceBEIJING ZHONG KE SAN HUAN·Filed 2022·Granted May 20, 2025·0 cites·3 claims
- 0470US2025336579A1Composition for Preparing Bonded Magnets, Bonded Magnet, and Preparation MethodBEIJING ZHONG KE SAN HUAN·Filed 2025·Application pending·0 cites
- 0569US10714245B2Method for preparing an R-T-B permanent magnetBEIJING ZHONG KE SAN HUAN·Filed 2017·Granted Jul 14, 2020·1 cites·15 claims
- 0669US2025149213A1FEEDSTOCK FOR PREPARING NdFeB FLEXIBLE MAGNET, AND NdFeB FLEXIBLE MAGNET AND PREPARATION METHOD AND USE THEREOFBEIJING ZHONG KE SAN HUAN·Filed 2024·Application pending·0 cites
- 0769US2019329319A1Fine grain rare earth alloy cast strip, preparation method thereof, and a rotary cooling roll deviceBEIJING ZHONG KE SAN HUAN·Filed 2019·Application pending·0 cites
- 0865US2024274334A1R-t-b magnet and preparation method thereofBEIJING ZHONG KE SAN HUAN·Filed 2024·Application pending·0 cites
- 0961US2025285789A1Ce-CONTAINING NEODYMIUM-IRON-BORON MAGNET AND PREPARATION METHOD AND APPLICATION THEREOFBEIJING ZHONG KE SAN HUAN·Filed 2025·Application pending·0 cites
- 1060US2025336578A1R-t-b magnet and preparation methodBEIJING ZHONG KE SAN HUAN·Filed 2025·Application pending·0 cites
- 1157US10062489B2Rare earth permanent magnet and method for preparing sameBEIJING ZHONG KE SAN HUAN·Filed 2017·Granted Aug 28, 2018·0 cites·4 claims
- 1256US12308703B2Motor rotor and IPM motorBEIJING ZHONG KE SAN HUAN·Filed 2022·Granted May 20, 2025·0 cites·10 claims
- 1356US2025236745A1Magnet with bond coating, magnetic assembly, and electrical deviceBEIJING ZHONG KE SAN HUAN·Filed 2025·Application pending·0 cites
- 1451US2025279230A1Ti-CONTAINING NdFeB MAGNET AND PREPARATION METHOD AND APPLICATION THEREOFBEIJING ZHONG KE SAN HUAN·Filed 2025·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when BEIJING ZHONG KE SAN HUAN files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →