Inventor
Randall Christopher Black
Inventor
San Diego, CA, US
Overview
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%
PatentTitleYear
10,416,253Conical access split magnet system20199,618,257'Gas-flow cryostat for dynamic temperature regulation using a fluid level sensor'20179,234,691'Method and apparatus for controlling temperature in a cryocooled cryostat using static and moving gas'20169,134,047'Systems, methods, and apparatus for cryogenic refrigeration'20156,927,570'Method and apparatus for making measurements of accumulations of magnetically susceptible particles combined with analytes'20056,597,176'Method and apparatus for making measurements of patterns of magnetic particles in lateral flow membranes and microfluidic systems'20036,518,747'Method and apparatus for quantitative determination of accumulations of magnetic particles'20036,483,303'Computer program for making measurements of accumulations of magnetic particles'20026,437,563'Method and apparatus for making measurements of accumulations of magnetically susceptible particles combined with analytes'20025,894,220'Apparatus for microscopic imaging of electrical and magnetic properties of room-temperature objects'19995,491,411'Method and apparatus for imaging microscopic spatial variations in small currents and magnetic fields'1996Career & 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
| Assignee | Patents | Span |
|---|---|---|
| QUANTUM DESIGN INC | 5 | 2002–2005 |
| BLACK RANDALLself | 2 | 2016–2017 |
| MARTIEN DINESH | 2 | 2016–2017 |
| NEILS WILLIAM | 2 | 2016–2017 |
| QUANTUM DESIGN INT INC | 2 | 2017–2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| San Diego, California, US | 10 | 1999–2019 |
| Seabrook, Maryland, US | 1 | 1996 |