Inventor

Randall Christopher Black

Inventor
San Diego, CA, US

Overview

11→
Patents
1996–2019
Patent span
Physics
Primary field (CPC G)

Patents· 11 as inventor

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

G01Rprimary
G01RMeasuring electric variables20%
G01NInvestigating or analysing materials by determining their chemical or physical properties18%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests15%
B82YSpecific uses or applications of nanostructures10%
F25BRefrigeration machines, plants or systems8%
F17CVessels for containing or storing compressed, liquefied or solidified gases5%
F25DRefrigerators5%
H01FMagnets5%
F28FDetails of heat-exchange and heat-transfer apparatus, of general application3%
G01FMeasuring volume, volume flow, mass flow or liquid level3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996Based in Seabrook, MD, US· patent location history
1999–2019Based in San Diego, CA, US· patent location history
2002–2005Patents assigned to QUANTUM DESIGN INC (5)· patent assignee history
2016–2017Patents assigned to BLACK RANDALL (2)· patent assignee history
2016–2017Patents assigned to MARTIEN DINESH (2)· patent assignee history
2016–2017Patents assigned to NEILS WILLIAM (2)· patent assignee history
2017–2019Patents assigned to QUANTUM DESIGN INT INC (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
QUANTUM DESIGN INC52002–2005
BLACK RANDALLself22016–2017
MARTIEN DINESH22016–2017
NEILS WILLIAM22016–2017
QUANTUM DESIGN INT INC22017–2019
Locations
LocationPatentsSpan
San Diego, California, US101999–2019
Seabrook, Maryland, US11996