H01J 41 - Discharge tubes and means integral therewith for measuring gas pressure; Discharge tubes for evacuation by diffusion of ions

Patents for H01J 41 - Discharge tubes and means integral therewith for measuring gas pressure; Discharge tubes for evacuation by diffusion of ions (509)
10/2001
10/25/2001	WO2001080281A2 Stand alone plasma vacuum pump
10/24/2001	EP1147691A1 Plasma vacuum pump
09/2001
09/20/2001	WO2001069645A1 Spatter ion pump
09/05/2001	EP1129467A2 Precision pressure monitor
09/04/2001	US6285192 Penning vacuum meter
08/2001
08/23/2001	US20010016166 Plasma vacuum pumping cell
08/09/2001	US20010011890 Ionization vacuum gauge
07/2001
07/25/2001	CN1305209A Vacuum exhaust element of vacuum insulating switch device
07/24/2001	US6264433 Sputter ion pump
07/17/2001	US6260579 Micropump and method of using a micropump for moving an electro-sensitive fluid
06/2001
06/21/2001	DE19959210A1 Ionengetterpumpe Ion pump
06/14/2001	WO2001043162A2 Ion getter pump
05/2001
05/22/2001	US6236156 Micro vacuum pump for maintaining high degree of vacuum and apparatus including the same
05/02/2001	EP1095396A2 Muffin tin style cathode element for diode sputter ion pump
05/02/2001	EP1095217A1 Plasma vacuum pumping cell
05/01/2001	US6225633 Photo-ionization detector for volatile gas measurement and a method for self-cleaning the same
05/01/2001	US6225624 Precision pressure monitor
04/2001
04/25/2001	CN2427875Y Sputter ion pump electric power source magnetic leakage transformer
04/11/2001	EP1091377A2 Vacuum exhaust element of vacuum switch
03/2001
03/06/2001	US6198105 Miniature ionization gauge utilizing multiple ion collectors
02/2001
02/08/2001	WO2000057451A3 Muffin tin style cathode element for diode sputter ion pump
11/2000
11/30/2000	WO2000024032A3 Precision pressure monitor
11/15/2000	EP1052668A1 Operating at high pressure of a field-emission type cold cathode
10/2000
10/25/2000	EP1047106A2 Sputter ion pump
09/2000
09/28/2000	WO2000057452A2 Corrugated style anode element for ion pumps
09/28/2000	WO2000057451A2 Muffin tin style cathode element for diode sputter ion pump
09/12/2000	US6116257 Micromotors, linear motors, micropumps, methods of using the same, microactuators, methods of controlling flow properties of fluids, and apparatuses for controlling flow properties of fluids
09/07/2000	DE19907994A1 Ionization manometer ultrahigh vacuum measurement tube, for measuring neutral gas-tight has electrodes electrically connected through ion catcher to socket shaped insulating body
07/2000
07/13/2000	WO2000041445A1 Plasma vacuum pump
06/2000
06/28/2000	EP1012870A1 Penning vacuum meter
06/13/2000	US6073498 Fluid sampling system
04/2000
04/27/2000	WO2000024032A2 Precision pressure monitor
04/27/2000	CA2345989A1 Precision pressure monitor
04/26/2000	EP0995989A1 Photo-ionization detector for volatile gases
04/04/2000	US6046456 Miniature ionization gauge utilizing multiple ion collectors
02/2000
02/23/2000	EP0799413B1 Penning measuring cell with ignition aid
02/15/2000	US6025723 Miniature ionization gauge utilizing multiple ion collectors
01/2000
01/06/2000	WO2000000741A1 Plasma vacuum pumping cell
12/1999
12/21/1999	US6004104 Cathode structure for sputter ion pump
11/1999
11/09/1999	US5980212 Anode-cathode structure for ion pump having specifically determined dimensions
07/1999
07/13/1999	US5923172 Penning type gauge head with ignition aid
06/1999
06/01/1999	CA2112910C Fluid sampling system
05/1999
05/04/1999	US5899666 Ion drag vacuum pump
04/1999
04/07/1999	EP0906635A1 Pumping device by non-vaporisable getter and method for using this getter
03/1999
03/03/1999	EP0899774A2 Miniature ionization gauge utilizing multiple collectors
11/1998
11/19/1998	DE19719881A1 Ionisation and electron multiplication using gas and liquid mercury
10/1998
10/29/1998	WO1998048445A1 Penning vacuum meter
10/29/1998	DE19717263A1 Penning-Vakuummeter Penning vacuum gauge
09/1998
09/30/1998	EP0867622A2 Micromotors, linear motors, micropumps, methods of using the same, microactuators, methods of controlling flow properties of fluids, and apparatuses for controlling flow properties of fluids
09/15/1998	US5808308 Dual ion source
08/1998
08/12/1998	EP0858093A1 Evaporable getter device with reduced time of activation
08/12/1998	EP0857352A1 Ionic pump with perforated anode
07/1998
07/15/1998	EP0853328A1 Frittable evaporable getter device having a high yield of barium
07/15/1998	CN1187685A Frittable evaporable getter device having high yield of barium
06/1998
06/30/1998	US5773833 Photo-ionization detector for volatile gas measurement
06/16/1998	US5767629 Device for starting and/or maintaining a discharge and cold cathode vacuum gauge incorporating such a device
05/1998
05/20/1998	EP0842527A1 Gas-discharge device with electrodes for use in vacuum technology
03/1998
03/17/1998	US5727929 Exhaust apparatus and vacuum pumping unit including the exhaust apparatus
03/04/1998	EP0827179A1 Single potential ion source
12/1997
12/24/1997	WO1997049109A1 Pumping device by non-vaporisable getter and method for using this getter
10/1997
10/08/1997	EP0799413A1 Penning measuring cell with ignition aid
09/1997
09/17/1997	CN1159488A Sputter ion pump
08/1997
08/12/1997	US5655886 Vacuum maintenance device for high vacuum chambers
07/1997
07/02/1997	EP0782174A1 Sputter ion pump
07/01/1997	US5644220 Process and apparatus for measuring charge quantity flowing in a vacuum
05/1997
05/01/1997	WO1997015943A1 Ionic pump with perforated anode
02/1997
02/13/1997	WO1997005645A1 Gas-discharge device with electrodes for use in vacuum technology
02/11/1997	US5602441 Vacuum ionization gauging tube
02/06/1997	DE19528314A1 In der Vakuumtechnik einsetzbares Gerät mit Elektroden für eine Gasentladung In vacuum technology use device with electrodes for gas discharge
01/1997
01/08/1997	EP0752716A1 Apparatus for starting and/or sustaining a discharge and cold cathode vacuum gauge using the same
12/1996
12/12/1996	WO1996039582A1 Vacuum maintenance device for high vacuum chambers
11/1996
11/05/1996	US5572137 Portable device for detecting UV light ionizable gas or vapor
10/1996
10/30/1996	EP0594719B1 Fluid sampling system
10/22/1996	US5568053 Ionization gauge having a non-time varying magnetic field generator of separated opposed magnets
09/1996
09/11/1996	CN1130799A Fluorescent lamp started by integrating potential difference cold-emitting
08/1996
08/20/1996	US5548183 Magnetic field immersion type electron gun
06/1996
06/27/1996	WO1996019720A1 Penning measuring cell with ignition aid
06/27/1996	DE4445828A1 Penning-Meßzelle mit Zündhilfe Penning cell with ignition aid
01/1996
01/02/1996	US5480286 Exhaust apparatus and vacuum pumping unit including the exhaust apparatus
11/1995
11/08/1995	CN1111352A Portable GCMS system using getter pump
08/1995
08/17/1995	DE19502439A1 Charged particle beam in vacuum current measurement
07/1995
07/12/1995	EP0662607A1 Ionisation gauge with micropoint cathode
06/1995
06/20/1995	US5426300 In a gas analyzing system
06/06/1995	US5422573 Ionization gauge and method of using and calibrating same
03/1995
03/22/1995	EP0644576A2 Portable gas chromatograph-mass spectrometer system using getter pump.
12/1994
12/13/1994	US5373240 Hot-cathode ionization pressure gauge including a sequence of electrodes arranged at a distance from one another in sequence along an axis
12/13/1994	US5373156 Method and device for the mass-spectrometric examination of fast organic ions
11/1994
11/02/1994	EP0622621A2 Opposed magnet ionization gauge
10/1994
10/04/1994	US5352954 Plasma generator and associated ionization method
08/1994
08/17/1994	EP0611084A1 Magnetic structures
07/1994
07/26/1994	CA2056403C Microminiaturized electrostatic pump
07/05/1994	US5326227 Exhaust apparatus with vacuum pump
06/1994
06/29/1994	EP0603844A1 Microminiaturized electrostatic pump and method of production thereof
06/28/1994	US5324950 Charged particle beam apparatus
05/1994
05/18/1994	CN2165528Y Micro cold cathode sputter ion pump
05/11/1994	EP0595929A1 Gas detection device and method
05/04/1994	EP0594719A1 Fluid sampling system.
04/1994
04/05/1994	US5300890 Hot-cathode ionization pressure gauge including a sequence of electrodes arranged at a distance from one another in sequence along an axis
03/1994
03/22/1994	US5296817 Ionization gauge and method of using and calibrating same
03/09/1994	EP0585487A1 Apparatus and process for photoionization and detection

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