LexDanaLexDanabeta
Inventor

Lifen LI

Inventor
CN

Overview

3→
Patents
2022–2024
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 3 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

F25Bprimary
F25BRefrigeration machines, plants or systems38%
G06FElectric digital data processing25%
F24FAir-conditioning13%
F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact13%
F28FDetails of heat-exchange and heat-transfer apparatus, of general application13%
PatentTitleYear
12,173,972Multi-coil microchannel heat exchangers and air conditioning units202412,067,333Methods for estimating refrigerant charge for HVACR systems202411,449,650Methods for estimating refrigerant charge for HVACR systems2022

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2022–2024Patents assigned to TRANE INT INC (2)· patent assignee history
2022–2024Based in CN· patent location history
2024Patents assigned to TRANE AIR CONDITIONING SYSTEMS CHINA CO LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TRANE INT INC22022–2024
TRANE AIR CONDITIONING SYSTEMS CHINA CO LTD12024
Locations
LocationPatentsSpan
CN32022–2024