JH

John T. Harvell

HT Helix Technology: 5 patents #19 of 132Top 15%
BG Brooks Automation Gmbh: 1 patents #184 of 346Top 55%
Overall (All Time): #873,053 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7155919 Cryopump temperature control of arrays Donald A. Olsen, Michael J. Eacobacci, Peter W. Gaudet 2007-01-02
5157928 Electronically controlled cryopump Peter W. Gaudet, Donald A. Olsen, Michael J. Eacobacci, Robert J. Lepofsky, David E. Roche +1 more 1992-10-27
5156007 Cryopump with improved second stage passageway Allen J. Bartlett, Philip A. Lessard, Stephen J. Yamartino 1992-10-20
4918930 Electronically controlled cryopump Peter W. Gaudet, Donald A. Olsen, Michael J. Eacobacci, Robert J. Lepofsky, David E. Roche +1 more 1990-04-24
4860546 Vacuum system with molecular flow line Philip A. Lessard 1989-08-29
4259844 Stacked disc heat exchanger for refrigerator cold finger Domenico S. Sarcia, Robert M. Lewis 1981-04-07