Inventor

Hai DU

Inventor
CN

Overview

3→
Patents
2022–2025
Patent span
Human necessities
Primary field (CPC A)

Patents· 3 as inventor

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

A01Nprimary
A01NPreservation of bodies of humans or animals or plants or parts thereof6%
A01PBiocidal, pest repellant, pest attractant or plant growth regulatory activity of chemical compounds or preparations6%
A21DTreatment of flour or dough for baking, e.g. by addition of materials6%
A23BPreservation of foods, foodstuffs or non-alcoholic beverages6%
A23CDairy products, e.g. milk, butter or cheese6%
A23LFoods, foodstuffs or non-alcoholic beverages, not otherwise provided for6%
A23VIndexing scheme relating to foods, foodstuffs or non-alcoholic beverages and lactic or propionic acid bacteria used in foodstuffs or food preparation6%
B01DSeparation6%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry6%
C01BNon-metallic elements6%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2022Patents assigned to DU HAI (1)· patent assignee history
2022–2025Based in CN· patent location history
2023Patents assigned to PRAXAIR TECHNOLOGY INC (1)· patent assignee history
2023Based in US· patent location history
2025Patents assigned to UNIV JIANGNAN (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DU HAIself12022
PRAXAIR TECHNOLOGY INC12023
UNIV JIANGNAN12025
Locations
LocationPatentsSpan
CN22022–2025
US12023