Inventor
Gerard M. Ludtka
Inventor
Oak Ridge, TN, US
Overview
Patents· 31 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C21Dprimary
C21DModifying the physical structure of ferrous metals14%
C22CAlloys13%
H01FMagnets8%
B22FWorking metallic powder6%
C22FChanging the physical structure of non-ferrous metals and non-ferrous alloys6%
H05BElectric heating6%
C01BNon-metallic elements5%
Y02PClimate change mitigation technologies in the production or processing of goods5%
Y10TTechnical subjects covered by former us classification5%
B22DCasting of metals4%
PatentTitleYear
10,961,615Applied magnetic field synthesis and processing of iron nitride magnetic materials202110,782,193High command fidelity electromagnetically driven calorimeter202010,774,408High strength aluminum stamping202010,654,107Method for producing nanoparticles and the nanoparticles produced therefrom202010,343,219Method for producing nanoparticles and the nanoparticles produced therefrom201910,196,873Advanced blow-out preventer201910,053,760Method of thermomagnetically processing an aluminum alloy20189,994,949Applied magnetic field synthesis and processing of iron nitride magnetic materials20189,963,770Castable high-temperature Ce-modified Al alloys20189,725,829'Magneto-carbonization method for production of carbon fiber, and high performance carbon fibers made thereby'20179,504,973'EMAT enhanced dispersion of particles in liquid'20169,475,120'Apparatus and method for dispersing particles in a molten material without using a mold'20169,387,486'High-gradient permanent magnet apparatus and its use in particle collection'20169,316,078'Inductive shearing of drilling pipe'20169,289,820'Apparatus and method for dispersing particles in a molten material without using a mold'20169,255,343'Iron-based composition for magnetocaloric effect (MCE) applications and method of making a single crystal'20169,217,187'Magnetic field annealing for improved creep resistance'20159,192,993'Processes for fabricating composite reinforced material'20159,035,733'Mitigated-force carriage for high magnetic field environments'20158,795,444'Method of and apparatus for thermomagnetically processing a workpiece'20148,729,996'Mitigated-force carriage for high magnetic field environments'20148,522,562'Apparatus and method for magnetically processing a specimen'20138,231,703'Nanostructured composite reinforced material'20127,745,765'Thermal and high magnetic field treatment of materials and associated apparatus'20107,601,294'High volume production of nanostructured materials'20097,534,980'High magnetic field ohmically decoupled non-contact technology'20097,161,124'Thermal and high magnetic field treatment of materials and associated apparatus'20076,773,513'Method for residual stress relief and retained austenite destabilization'20046,208,982'Method and apparatus for solving complex and computationally intensive inverse problems in real-time'20015,750,882'Gas permeability measurements for film envelope materials'19984,968,482'Uranium-titanium-niobium alloy'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–2021Based in Oak Ridge, TN, US· patent location history
1998–2001Patents assigned to LOCKHEED MARTIN ENERGY RES COR (2)· patent assignee history
2004–2021Patents assigned to UT BATTELLE LLC (22)· patent assignee history
2012–2015Patents assigned to LUDTKA GERARD M (6)· patent assignee history
2013–2015Patents assigned to LUDTKA GAIL M (4)· patent assignee history
2013–2015Patents assigned to WILGEN JOHN B (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| UT BATTELLE LLC | 22 | 2004–2021 |
| LUDTKA GERARD Mself | 6 | 2012–2015 |
| LUDTKA GAIL M | 4 | 2013–2015 |
| WILGEN JOHN B | 3 | 2013–2015 |
| LOCKHEED MARTIN ENERGY RES COR | 2 | 1998–2001 |
Locations
| Location | Patents | Span |
|---|---|---|
| Oak Ridge, TN, US | 31 | 1990–2021 |