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Inventor

CHAOYANG ZHAI

Inventor
CN

Overview

1→
Patents
2022
Patent span
Physics
Primary field (CPC G)

Patents· 1 as inventor

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

F04Bprimary
F04BPositive-displacement machines for liquids33%
G01FMeasuring volume, volume flow, mass flow or liquid level33%
G06FElectric digital data processing33%
PatentTitleYear
11,319,949Analysis method of absolute energy efficiency and relative energy efficiency of compressed air system2022

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2022Patents assigned to HANG ZHOU ZETA TECH CO LTS (1)· patent assignee history
2022Based in CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HANG ZHOU ZETA TECH CO LTS12022
Locations
LocationPatentsSpan
CN12022