Inventor

CHENG JIAJIA

CN4 patents

⚠️ This page may combine multiple inventors who share the name “CHENG JIAJIA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

RIFENG ENTPR FOSHAN CO LTD

2 patents

US11920714B2Mar 5, 2024

Sealing structure

RIFENG ENTPR FOSHAN CO LTD0 citations41

US11346479B2May 31, 2022

Pipe fitting joint assembly

RIFENG ENTPR FOSHAN CO LTD0 citations41

CASCO SIGNAL LTD

1 patent

US12258054B2Mar 25, 2025

Early warning protection system based on Beidou position automatic sensing

CASCO SIGNAL LTD0 citations46

MA SHENGMING

1 patent

US8748669B2Jun 10, 2014

Process for producing aldehydes or ketones by oxidizing alcohols with oxygen

MA SHENGMING0 citations40