Inventor

Riyong Lu

Inventor

Qingdao, CN

Overview

3→

Patents

2020

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.

F25Dprimary

F25DRefrigerators38%

B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers25%

A01KAnimal husbandry13%

A47BTables13%

F04DNon-positive-displacement pumps13%

PatentTitleYear

10,753,667Branching air supply device and refrigerator with branching air supply device2020 10,653,122Waterless keep-alive apparatus and refrigeration appliance provided with the waterless keep-alive apparatus2020 10,612,837Airtight box2020

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2020Patents assigned to QINGDAO HAIER JOINT STOCK CO LTD (3)· patent assignee history

2020Based in Qingdao, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
QINGDAO HAIER JOINT STOCK CO LTD	3	2020

Locations

Location	Patents	Span
Qingdao, CN	3	2020