| Patents for H01J 41 - Discharge tubes and means integral therewith for measuring gas pressure; Discharge tubes for evacuation by diffusion of ions (509) |
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| 01/04/2006 | EP1611593A2 Louvered beam stop for lowering x-ray limit of a total pressure gauge |
| 12/29/2005 | WO2005015153A3 Open channel solid phase extraction systems and methods |
| 12/28/2005 | EP1540294B1 Cold-cathode ionisation manometer having a longer service life due to two separate cathodes |
| 12/14/2005 | CN1708822A Magnet assembly for sputter ion pump |
| 12/08/2005 | WO2005117060A1 Aerodynamic lens particle separator |
| 12/06/2005 | US6972408 quadrupole mass spectrometer with aerodynamic lens and kinetic energy reducing inlet system, digital ion trap, thermal vaporization/ionization detector; real-time analysis |
| 12/01/2005 | WO2005114169A1 Parallel processing microfluid chip |
| 11/10/2005 | WO2005091330A3 Louvered beam stop for lowering x-ray limit of a total pressure gauge |
| 09/29/2005 | WO2005091331A2 An ionization gauge |
| 09/29/2005 | WO2005091330A2 Louvered beam stop for lowering x-ray limit of a total pressure gauge |
| 09/14/2005 | EP1573773A2 Magnet assembly for sputter ion pump |
| 08/25/2005 | US20050184735 Ionization gauge |
| 06/15/2005 | EP1540294A1 Cold-cathode ionisation manometer having a longer service life due to two separate cathodes |
| 05/19/2005 | US20050106585 Open channel solid phase extraction systems and methods |
| 04/26/2005 | US6884039 Flywheel system with parallel pumping arrangement |
| 03/30/2005 | EP1519402A1 Ionisation vacuum gauge |
| 03/30/2005 | EP1519401A1 Ionisation vacuum gauge |
| 03/29/2005 | US6873113 Stand alone plasma vacuum pump |
| 03/16/2005 | EP1515358A2 Small electron gun |
| 03/10/2005 | US20050052103 Small electron gun |
| 02/23/2005 | EP1508154A1 Apparatus for measuring total pressure and partial pressure with common electron beam |
| 02/17/2005 | WO2005015153A2 Open channel solid phase extraction systems and methods |
| 02/10/2005 | US20050030044 Ionisation vacuum gauge |
| 02/10/2005 | US20050028602 Ionisation vacuum gauge |
| 02/03/2005 | DE10243634B4 Kaltkatoden-Ionisationsmanometer Cold cathode ionization gauge |
| 01/27/2005 | WO2004108257A3 Mass spectrometer and related ionizer and methods |
| 01/06/2005 | WO2005001020A2 A multi-stage open ion system in various topologies |
| 12/28/2004 | US6835048 Ion pump having secondary magnetic field |
| 12/16/2004 | WO2004108257A2 Mass spectrometer and related ionizer and methods |
| 12/16/2004 | CA2527330A1 Mass spectrometer and related ionizer and methods |
| 12/02/2004 | WO2004105080A1 Sputter ion pump, process for manufacturing the same, and image display with sputter ion pump |
| 11/11/2004 | US20040224362 Open channel solid phase extraction systems and methods |
| 11/09/2004 | US6815674 Mass spectrometer and related ionizer and methods |
| 09/30/2004 | WO2004061889A3 Magnet assembly for sputter ion pump |
| 09/29/2004 | CN1169409C Plasma vacuum pump |
| 09/08/2004 | EP1285100B1 Non-evaporable getter alloys |
| 08/25/2004 | EP1450389A2 Multimode ion source with a hollow cathode sputter ion source-like structure with radial ion extracion. |
| 08/25/2004 | CN1163627C Sputtering ion pump |
| 07/22/2004 | WO2004061889A2 Magnet assembly for sputter ion pump |
| 07/22/2004 | DE10241549B4 Orbitron-Pumpe Orbitron pump |
| 07/01/2004 | WO2004036617A3 Ion counter |
| 06/24/2004 | US20040120826 Magnet assembly for sputter ion pump |
| 06/24/2004 | DE10306936B3 Multi-mode metal ion source, e.g. for workpiece treatment, has magnetic mirror field generator, cooled anodes arranged between cathodes, cooled anti-cathode, sputtering and extraction electrodes and a switching device |
| 05/11/2004 | US6734435 Photo-ionization detector and method for continuous operation and real-time self-cleaning |
| 04/29/2004 | WO2004036617A2 Ion counter |
| 04/08/2004 | WO2004029572A1 Cold-cathode ionisation manometer having a longer service life due to two separate cathodes |
| 04/08/2004 | DE10243634A1 Kaltkatoden-Ionisationsmanometer Cold cathode ionization gauge |
| 04/08/2004 | CA2499729A1 Cold-cathode ionisation manometer with two separate cathodes for a long service life |
| 04/01/2004 | US20040062659 Ion pump with combined housing and cathode |
| 03/31/2004 | EP1403903A2 Orbitron-Pumpe. |
| 03/31/2004 | CN2609176Y Catcher secondary heat cathode ionic vacuum gougehead |
| 03/18/2004 | DE10241549A1 Ultrahigh vacuum electron pump has an electron emitter and accelerating electrode separated by a distance less than the average residual gas free path length |
| 02/18/2004 | CN1138865C Non-evaporable getter alloys |
| 01/29/2004 | WO2003058069A3 Arc vacuum pump |
| 01/07/2004 | CN2598132Y Detachable metal thermo ionization vacuum bare gauge |
| 12/11/2003 | WO2003103005A1 Apparatus for measuring total pressure and partial pressure with common electron beam |
| 11/04/2003 | US6642641 Apparatus for measuring total pressure and partial pressure with common electron beam |
| 09/30/2003 | US6627874 Pressure measurement using ion beam current in a mass spectrometer |
| 09/18/2003 | US20030175126 Flywheel system with parallel pumping arrangement |
| 09/09/2003 | US6616417 Spatter ion pump |
| 08/19/2003 | US6608304 Automatic background ejection (ABE) |
| 07/17/2003 | WO2003058069A2 Arc vacuum pump |
| 07/03/2003 | US20030122492 Stand alone plasma vacuum pump |
| 07/02/2003 | CN1113376C Frittable evaporable getter device having high yield of barium |
| 07/01/2003 | CA2113463C Gas detection device and method |
| 05/06/2003 | US6559601 Plasma vacuum pump |
| 05/06/2003 | US6559442 High-pressure operation of a field-emission cold cathode |
| 04/02/2003 | EP1297257A1 Flywheel system with parallel pumping arrangement |
| 03/11/2003 | US6530217 Micromotors, linear motors and microactuators for controlling flow properties of fluids |
| 03/05/2003 | EP0906635B1 Method for using a non-vaporisable getter |
| 02/26/2003 | EP1285100A1 Non-evaporable getter alloys |
| 02/18/2003 | US6521014 Efficient nitrogen absorber; alloy of zirconium, vanadium,iron, manganese and rare earth element |
| 02/04/2003 | US6515482 Ionization vacuum gauge |
| 01/15/2003 | CN1390774A Micro ion pumps used for low-pressure miniature devices |
| 01/09/2003 | US20030007883 Efficient nitrogen absorber; alloy of zirconium, vanadium,iron, manganese and rare earth element |
| 01/07/2003 | US6502470 Fluid sampling system |
| 12/18/2002 | EP1267385A1 Micro ion pump for a low-pressure microdevice microenclosure |
| 12/17/2002 | US6495786 Vacuum exhaust element of vacuum switch |
| 12/12/2002 | US20020185947 Micro ion pump for a low-pressure microdevice microenclosure |
| 12/05/2002 | US20020179846 Photo-ionization detector and method for continuous operation and real-time self-cleaning |
| 12/04/2002 | EP1262770A2 Photo-ionization detector and method for continuous operation and real-time self-cleaning |
| 11/20/2002 | CN1380907A Non-evaporable getter alloys |
| 11/05/2002 | US6476612 Louvered beam stop for lowering x-ray limit of a total pressure gauge |
| 10/31/2002 | US20020159891 Spatter ion pump |
| 10/24/2002 | US20020153820 Apparatus for measuring total pressure and partial pressure with common electron beam |
| 10/22/2002 | US6468043 Pumping device by non-vaporisable getter and method for using this getter |
| 09/25/2002 | EP1243921A2 A method for self-cleaning of a photo-ionization detector for volatile gases |
| 08/28/2002 | CN1366706A Spatter ion pump |
| 08/22/2002 | WO2001080281A3 Stand alone plasma vacuum pump |
| 07/25/2002 | WO2001043162A3 Ion getter pump |
| 07/23/2002 | US6422825 Plasma vacuum pumping cell |
| 06/25/2002 | US6411023 Vacuum processing apparatus and ion pump capable of suppressing leakage of ions and electrons from ion pump |
| 05/14/2002 | US6388385 Corrugated style anode element for ion pumps |
| 05/02/2002 | EP1200983A2 Corrugated style anode element for ion pumps |
| 03/07/2002 | WO2000057452A3 Corrugated style anode element for ion pumps |
| 02/19/2002 | US6347925 Flywheel system with parallel pumping arrangement |
| 01/23/2002 | CN1332950A Plasma vacuum pump |
| 01/10/2002 | WO2002002943A1 Flywheel system with parallel pumping arrangement |
| 12/06/2001 | WO2001092590A1 Non-evaporable getter alloys |
| 11/06/2001 | US6313638 Dual-channel photo-ionization detector that eliminates the effect of ultraviolet intensity on concentration measurements |