Inventor

JOHN EDWARD DAUGHERTY

Inventor

Overview

2→

Patents

2023–2024

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 2 as inventor

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

C23Cprimary

C23CCoating metallic material13%

F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids13%

F04DNon-positive-displacement pumps13%

F04FPumping of fluid by direct contact of another fluid or by using inertia of fluid to be pumped13%

F05CIndexing scheme relating to materials, material properties or material characteristics for machines, engines or pumps other than non-positive-displacement machines or engines13%

H01JElectric discharge tubes or discharge lamps13%

H01LSemiconductor devices13%

H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1013%

PatentTitleYear

12,087,561Vacuum pump protection against deposition byproduct buildup2024 11,710,623Vacuum pump protection against deposition byproduct buildup2023

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2023–2024Patents assigned to LAM RES CORP (2)· patent assignee history

2023–2024Based in US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
LAM RES CORP	2	2023–2024

Locations

Location	Patents	Span
US	2	2023–2024