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Inventor

Alfred W. Petersen

Inventor
Salt Lake City, UT, US

Overview

5→
Patents
1977–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 5 as inventor

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

C01Bprimary
C01BNon-metallic elements43%
A61BDiagnosis14%
B01DSeparation14%
C05BPhosphatic fertilisers14%
H01RElectrically-conductive connections14%
PatentTitleYear
10,959,793Manipulator arm having connection interface, and related devices and systems20214,409,194'Method of separating magnesium from wet process superphosphoric acid'19834,152,405'Co-current absorber for recovering inorganic compounds from plant effluents'19794,127,400'Process of manufacturing non-gelling suspension liquid fertilizers'19784,001,383'Impure sulfuric acid treatment process'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1983Patents assigned to STAUFFER CHEMICAL CO (4)· patent assignee history
1977–1983Based in Salt Lake City, UT, US· patent location history
2021Patents assigned to INTUITIVE SURGICAL OPERATIONS (1)· patent assignee history
2021Based in Cupertino, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
STAUFFER CHEMICAL CO41977–1983
INTUITIVE SURGICAL OPERATIONS12021
Locations
LocationPatentsSpan
Salt Lake City, UT, US41977–1983
Cupertino, California, US12021