Inventor
Frederick C. Wellstood
Inventor
Lanham, MD, US
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Rprimary
G01RMeasuring electric variables26%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests22%
B82YSpecific uses or applications of nanostructures11%
G01NInvestigating or analysing materials by determining their chemical or physical properties11%
G01QScanning-probe techniques or apparatus7%
H10NElectric solid-state devices not otherwise provided for7%
G06NComputing arrangements based on specific computational models4%
G06TImage data processing or generation, in general4%
H01PWaveguides4%
H03HImpedance networks, e.g. resonant circuits4%
PatentTitleYear
10,176,431Low-noise, ultra-low temperature dissipative devices20197,268,542'Scanning SQUID microscope having position noise compensation'20077,106,057'High frequency scanning SQUID microscope and method of measuring high frequency magnetic fields'20067,085,656'Method for suppressing edge artifacts in magnetic microscopy'20066,809,533'Quantitative imaging of dielectric permittivity and tunability'20046,571,183'Imaging using spatial frequency filtering and masking'20036,516,281'Scanning single electron transistor microscope for imaging ambient temperature objects'20035,900,618'Near-field scanning microwave microscope having a transmission line with an open end'19995,894,220'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'19965,291,035'Microelectronic superconducting crossover and coil'19945,256,636'Microelectronic superconducting device with multi-layer contact'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993–1994Patents assigned to UNIV CALIFORNIA (2)· patent assignee history
1993–1994Based in Berkeley, CA, US· patent location history
1996–2019Patents assigned to UNIV MARYLAND (8)· patent assignee history
1996Based in College Park, MD, US· patent location history
1999–2004Based in Lanham, MD, US· patent location history
2006Patents assigned to NAT SECURITY AGENCY (1)· patent assignee history
2006–2019Based in Fairfax, VA, US· patent location history
2007Patents assigned to US AIR FORCE (1)· patent assignee history
2019Patents assigned to THE US DIRECTOR NATIONAL SECURITY AGENCY (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| UNIV MARYLAND | 8 | 1996–2019 |
| UNIV CALIFORNIA | 2 | 1993–1994 |
| NAT SECURITY AGENCY | 1 | 2006 |
| THE US DIRECTOR NATIONAL SECURITY AGENCY | 1 | 2019 |
| US AIR FORCE | 1 | 2007 |
Locations
| Location | Patents | Span |
|---|---|---|
| Lanham, Maryland, US | 5 | 1999–2004 |
| Fairfax, Virginia, US | 4 | 2006–2019 |
| Berkeley, California, US | 2 | 1993–1994 |
| College Park, Maryland, US | 1 | 1996 |