Inventor

Biao Guo

Inventor

Zhejiang, CN

Overview

2→

Patents

2016–2019

Patent span

Performing operations

Primary field (CPC B)

Patents· 2 as inventor

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

B06Bprimary

B06BMethods or apparatus for generating or transmitting mechanical vibrations of infrasonic, sonic, or ultrasonic frequency, e.g. for performing mechanical work in general25%

G01VGeophysics25%

H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers25%

LOC1525%

PatentTitleYear

D0847881Air-operated grinding device2019 9,238,251'Dual-coil geophone accelerometer'2016

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2016Patents assigned to SAS E&P LTD (1)· patent assignee history

2016Based in Xi'an, CN· patent location history

2019Patents assigned to NINGBO SANKUI GRINDING MAT CO LTD (1)· patent assignee history

2019Based in Zhejiang, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NINGBO SANKUI GRINDING MAT CO LTD	1	2019
SAS E&P LTD	1	2016

Locations

Location	Patents	Span
Zhejiang, CN	1	2019
Xi'an, CN	1	2016