Inventor

Joel Gay

Inventor
San Ramon, CA, US

Overview

4→
Patents
1987–2018
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 4 as inventor

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

E21Bprimary
E21BEarth or rock drilling20%
F04FPumping of fluid by direct contact of another fluid or by using inertia of fluid to be pumped20%
B01DSeparation13%
C02FTreatment of water, waste water, sewage, or sludge13%
D06FLaundering, drying, ironing, pressing or folding textile articles7%
F04BPositive-displacement machines for liquids7%
F15DFluid dynamics, i.e. methods or means for influencing the flow of gases or liquids7%
F17DPipe-line systems7%
Y10TTechnical subjects covered by former us classification7%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987Patents assigned to FRIMAIR SA (1)· patent assignee history
1987Based in Saulon la Chapelle, FR· patent location history
2017–2018Patents assigned to ENERGY RECOVERY INC (3)· patent assignee history
2017–2018Based in San Ramon, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ENERGY RECOVERY INC32017–2018
FRIMAIR SA11987
Locations
LocationPatentsSpan
San Ramon, California, US32017–2018
Saulon la Chapelle, FR11987