JP

John R. Purcell

GT Ga Technologies: 8 patents #2 of 69Top 3%
GA General Atomics: 4 patents #42 of 350Top 15%
PT Phpk Technologies: 2 patents #3 of 4Top 75%
EM Eriez Manufacturing: 1 patents #15 of 33Top 50%
OO Outokumpu Oyj: 1 patents #162 of 428Top 40%
Overall (All Time): #176,031 of 4,157,543Top 5%
24
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6112399 Magnetic separator having an improved separation container configuration for use with a superconductive electromagnet Sibley C. Burnett, L. Cullen Andrews, Gregory S. Beck, R. Lewis Creedon 2000-09-05
RE36332 Refrigeration of superconducting magnet system James Pierce, Charles B. Hood, Sibley C. Burnett 1999-10-12
5697220 Refrigeration of superconducting magnet systems James Pierce, Charles B. Hood, Sibley C. Burnett 1997-12-16
5495718 Refrigeration of superconducting magnet systems James Pierce, Charles B. Hood, Sibley C. Burnett 1996-03-05
5237738 Method of manufacturing a containment vessel for use with a pulsed magnet system Sibley C. Burnett, Lewis R. Creedon 1993-08-24
5148137 Containment vessel for use with a pulsed magnet system and method of manufacturing same Sibley C. Burnett, Lewis R. Creedon 1992-09-15
5047192 Process of manufacturing a cryogenic regenerator Raymond E. Sarwinski 1991-09-10
5019247 Pulsed magnet system Sibley C. Burnett, Lewis R. Creedon 1991-05-28
4930314 Stirling cycle machine Sibley C. Burnett, William P. Creedon, Chandrashekhar H. Joshi 1990-06-05
4931759 Magnetic resonance imaging magnet having minimally symmetric ferromagnetic shield Bruce C. Breneman, Raymond E. Sarwinski 1990-06-05
4866943 Cyrogenic regenerator Raymond E. Sarwinski 1989-09-19
4841268 MRI Magnet system with permanently installed power leads Sibley C. Burnett, Bruce C. Breneman, Raymond E. Sarwinski 1989-06-20
4768008 MRI magnet system with vessel having composite first wall Bruce C. Breneman, Sibley C. Burnett 1988-08-30
4743880 MRI magnet system having shield and method of manufacture Bruce C. Breneman, Sibley C. Burnett 1988-05-10
4702825 Superconductor high gradient magnetic separator Jerry A. Selvaggi 1987-10-27
4694269 Magnet system and method of its manufacture Sibley C. Burnett, M. Harlan Horner 1987-09-15
4680936 Cryogenic magnet systems Raymond E. Sarwinski, Judson W. Parker, Sibley C. Burnett 1987-07-21
4658229 Magnet system providing a region of substantially homogeneous field strength Wilkie Y. Chen, Yen-Hwa L. Hsu 1987-04-14
4647888 High heat capacity composites for a superconductor Lawrence D. Woolf 1987-03-03
4633125 Vented 360 degree rotatable vessel for containing liquids Henry G. Blosser, Gabe F. Blosser, Emanuel B. Jemison 1986-12-30
4625193 Magnet lead assembly 1986-11-25
4602231 Spaced stabilizing means for a superconducting switch Yen-Hwa L. Hsu 1986-07-22
4528609 Method and apparatus for protecting superconducting magnetic energy storage systems during rapid energy dissipation 1985-07-09
4369636 Methods and apparatus for reducing heat introduced into superconducting systems by electrical leads Wilkie Y. Chen, Walter E. Toffolo 1983-01-25