LexDanaLexDanabeta
Inventor

Scott N. MacDonald

Inventor
Pleasant Hill, CA, US

Overview

3→
Patents
1983–1990
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 3 as inventor

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

F04Bprimary
F04BPositive-displacement machines for liquids33%
F16JPistons17%
G01NInvestigating or analysing materials by determining their chemical or physical properties17%
G06FElectric digital data processing17%
Y10TTechnical subjects covered by former us classification17%
PatentTitleYear
4,919,595'Fluid delivery system with deficit flow compensation'19904,790,236'Floating piston coupling for plunger type pumps'19884,399,502'Instrument control system'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983Patents assigned to ALTEX SCIENT INC (1)· patent assignee history
1983–1990Based in Pleasant Hill, CA, US· patent location history
1988–1990Patents assigned to BECKMAN INSTRUMENTS INC (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BECKMAN INSTRUMENTS INC21988–1990
ALTEX SCIENT INC11983
Locations
LocationPatentsSpan
Pleasant Hill, California, US31983–1990