Inventor

Lloyd D. Hanson

Inventor
Long Beach, CA, US

Overview

9→
Patents
1981–2019
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 9 as inventor

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

C10Bprimary
C10BDestructive distillation of carbonaceous materials for production of gas, coke, tar, or similar materials30%
F04DNon-positive-displacement pumps10%
Y10TTechnical subjects covered by former us classification10%
B05BSpraying apparatus5%
C10GCracking hydrocarbon oils5%
F05BIndexing scheme relating to wind, spring, weight, inertia or like motors, to machines or engines for liquids covered by subclasses f03b, f03d and f03g5%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants5%
F15BSystems acting by means of fluids in general5%
F16JPistons5%
F16KValves5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–1983Patents assigned to DRESSER IND (2)· patent assignee history
1981–1983Based in Cerritos, CA, US· patent location history
1995Patents assigned to BW IP INTERNATIONAL INC (1)· patent assignee history
1995Based in Los Angeles, CA, US· patent location history
2003–2019Patents assigned to FLOWSERVE MAN CO (6)· patent assignee history
2003–2019Based in Long Beach, CA, US· patent location history
2013–2018Patents assigned to HANSON LLOYD D (3)· patent assignee history
2013Patents assigned to ADAMS DOUGLAS (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FLOWSERVE MAN CO62003–2019
HANSON LLOYD Dself32013–2018
DRESSER IND21981–1983
ADAMS DOUGLAS12013
BW IP INTERNATIONAL INC11995
Locations
LocationPatentsSpan
Long Beach, California, US62003–2019
Cerritos, California, US21981–1983
Los Angeles, California, US11995