RT

Robert E. Tompkins

IBM: 10 patents #10,888 of 70,183Top 20%
DC Dorsey Gage Co.: 5 patents #1 of 6Top 20%
AT Alliant Techsystems: 1 patents #285 of 658Top 45%
PT Praxair S.T. Technology: 1 patents #81 of 143Top 60%
UA US Army: 1 patents #2,720 of 6,974Top 40%
Overall (All Time): #242,150 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6754062 Hybrid ceramic electrostatic clamp Joseph S. Logan, John R. Miller, Mahmood Naim 2004-06-22
6499987 Positive control non-return valve for an injection molding machine Michael F. Durina 2002-12-31
RE37580 Guard ring electrostatic chuck Michael Barnes, John H. Keller, Joseph S. Logan, Robert P. Westerfield, Jr. 2002-03-12
RE37541 Electrostatic chuck with reference electrode Michael Barnes, John H. Keller, Joseph S. Logan, Robert P. Westerfield, Jr. 2002-02-05
6268994 Electrostatic chuck and method of manufacture Joseph S. Logan, John R. Miller 2001-07-31
5925845 Shoot-through cover for an explosively formed penetrator warhead Erling M. Danielson 1999-07-20
5905626 Electrostatic chuck with ceramic pole protection Joseph S. Logan 1999-05-18
5901030 Electrostatic chuck employing thermoelectric cooling Joseph S. Logan 1999-05-04
5612851 Guard ring electrostatic chuck Michael Barnes, John H. Keller, Joseph S. Logan, Robert P. Westerfield, Jr. 1997-03-18
5561585 Electrostatic chuck with reference electrode Michael Barnes, John H. Keller, Joseph S. Logan, Robert P. Westerfield, Jr. 1996-10-01
5535507 Method of making electrostatic chuck with oxide insulator Michael Barnes, John H. Keller, Joseph S. Logan, Raymond R. Ruckel, Robert P. Westerfield, Jr. 1996-07-16
5521790 Electrostatic chuck having relatively thick and thin areas and means for uniformly cooling said thick and thin areas during chuck anodization Raymond R. Ruckel, Robert P. Westerfield, Jr. 1996-05-28
5467249 Electrostatic chuck with reference electrode Michael Barnes, John H. Keller, Joseph S. Logan, Robert P. Westerfield, Jr. 1995-11-14
5463525 Guard ring electrostatic chuck Michael Barnes, John H. Keller, Joseph S. Logan, Robert P. Westerfield, Jr. 1995-10-31
5191506 Ceramic electrostatic chuck Joseph S. Logan, Raymond R. Ruckel, Robert P. Westerfield, Jr. 1993-03-02
5155652 Temperature cycling ceramic electrostatic chuck Joseph S. Logan, Raymond R. Ruckel, Robert P. Westerfield, Jr. 1992-10-13
5099571 Method for fabricating a split-ring electrostatic chuck Joseph S. Logan, Raymond R. Ruckel, Robert P. Westerfield, Jr. 1992-03-31
5055964 Electrostatic chuck having tapered electrodes Joseph S. Logan, Raymond R. Ruckel, Robert P. Westerfield, Jr. 1991-10-08
4845995 Material tester Robert P. Kaste 1989-07-11