LexDanaLexDanabeta
Inventor

Richard Yu

Inventor
Wellington, FL, US

Overview

5→
Patents
1995–2020
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 5 as inventor

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

F01Dprimary
F01DNon-positive displacement machines or engines, e.g. steam turbines36%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants36%
H01PWaveguides9%
H01QAntennas, i.e. radio aerials9%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
PatentTitleYear
10,837,298First stage turbine nozzle202010,711,615First stage turbine blade202010,590,782Second stage turbine nozzle202010,590,772Second stage turbine blade20205,459,441'Signal propagation using high performance dual probe'1995

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995Patents assigned to CHAPARRAL COMMUNICATIONS INC (1)· patent assignee history
1995Based in Hayward, CA, US· patent location history
2020Patents assigned to CHROMALLOY GAS TURBINE LLC (4)· patent assignee history
2020Based in Wellington, FL, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CHROMALLOY GAS TURBINE LLC42020
CHAPARRAL COMMUNICATIONS INC11995
Locations
LocationPatentsSpan
Wellington, Florida, US42020
Hayward, California, US11995