Inventor

Jean-Francois Piquard

Inventor

Vizille, FR

Overview

6→

Patents

1977–1997

Patent span

Physics

Primary field (CPC G)

Patents· 6 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 general20%

G10KSound-producing devices20%

A61BDiagnosis10%

A61NElectrotherapy10%

G01NInvestigating or analysing materials by determining their chemical or physical properties10%

G01SRadio direction-finding10%

H03KPulse technique10%

Y10TTechnical subjects covered by former us classification10%

PatentTitleYear

5,606,410'Method for controlling the surface state of one face of a solid and the associated device'1997 4,467,237'Multielement ultrasonic probe and its production process'1984 4,422,332'Dynamic focusing and sectorial scanning echography device'1983 4,398,325'Process for producing ultrasonic transducers having complex shapes'1983 4,169,463'Device for rheoplethysmography by occlusion'1979 4,057,069'Method of nerve stimulation and a stimulator for the application of the method'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1984Patents assigned to COMMISSARIAT ENERGIE ATOMIQUE (5)· patent assignee history

1977–1984Based in Vizille, FR· patent location history

1997Patents assigned to COGEMA (1)· patent assignee history

1997Based in Montchaboud, FR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
COMMISSARIAT ENERGIE ATOMIQUE	5	1977–1984
COGEMA	1	1997

Locations

Location	Patents	Span
Vizille, FR	5	1977–1984
Montchaboud, FR	1	1997