Inventor

Robert C. MacDonald

Inventor
Evanston, IL, US

Overview

25→
Patents
1978–2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 25 as inventor

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

A61Kprimary
A61KPreparations for medical, dental or toiletry purposes19%
B66BElevators19%
C12NMicroorganisms or enzymes17%
B82YSpecific uses or applications of nanostructures15%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium15%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations2%
B01DSeparation2%
C01BNon-metallic elements2%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes2%
PatentTitleYear
10,905,996Systems and methods to manage heat in an integrated oil and gas processing plant with sour gas injection20217,976,743'Gas-containing liposomes'20117,801,783'System and method for automatic analysis of rate information'20107,732,420'Combinations of transfection lipids exhibiting increased transfection efficiencies'20106,187,760'Cationic phospholipids for transfection'20015,891,714'Cationic phospholipids for transfection'19995,883,343'Downpeak group optimization'19995,855,910'Cationic phospholipids for transfection'19995,780,053'Cationic phospholipids for transfection'19985,695,780'Cationic phospholipids for transfection'19975,688,958'Cationic phospholipids for transfection'19975,686,620'Cationic phospholipids for transfection'19975,661,018'Cationic phospholipids for transfection'19975,651,981'Cationic phospholipids for transfection'19975,305,194'Method and apparatus for preventing local bunching of cars in an elevator group with variable traffic flow'19944,875,554'Dynamic selection of elevator call assignment scan direction'19894,793,443'Dynamic assignment switching in the dispatching of elevator cars'19884,790,412'Anti-bunching method for dispatching elevator cars'19884,784,240'Method for using door cycle time in dispatching elevator cars'19884,782,921'Coincident call optimization in an elevator dispatching system'19884,532,089'Method of preparing giant size liposomes'19854,511,017'Elevator system'19854,482,032'Elevator emergency control system'19844,431,085'Method of operating an elevator system'19844,129,199'Elevator system'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1988Patents assigned to WESTINGHOUSE ELECTRIC CORP (8)· patent assignee history
1978–1999Based in West Caldwell, NJ, US· patent location history
1985–2011Patents assigned to UNIV NORTHWESTERN (12)· patent assignee history
1985–2010Based in Evanston, IL, US· patent location history
1989–1999Patents assigned to INVENTIO AG (3)· patent assignee history
2010Patents assigned to GATTO JAMES G (1)· patent assignee history
2010Based in Rye, NY, US· patent location history
2011Based in El Cerrito, CA, US· patent location history
2021Patents assigned to CHEVRON USA INC (1)· patent assignee history
2021Based in Mill Valley, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
UNIV NORTHWESTERN121985–2011
WESTINGHOUSE ELECTRIC CORP81978–1988
INVENTIO AG31989–1999
CHEVRON USA INC12021
GATTO JAMES G12010
Locations
LocationPatentsSpan
Evanston, Illinois, US111985–2010
West Caldwell, New Jersey, US111978–1999
Mill Valley, California, US12021
El Cerrito, California, US12011
Rye, New York, US12010