| 2024/0161,993 | ANNULAR GAP CATHODES WITH GRAPHITE CAPS | Nov 08, 23 | May 16, 24 | Not available |
| 2022/0093,357 | Method For Tuning Work Function Using Surface Photo Voltage and Producing Ultra-Low-Work-Function Surfaces, and Devices Operational Therewith | Nov 30, 21 | Mar 24, 22 | Not available |
| 2021/0027,969 | FIELD EMISSION APPARATUS WITH SUPERIOR STRUCTURAL STABILITY AND X-RAY TUBE COMPRISING THE SAME | Jun 23, 20 | Jan 28, 21 | Not available |
| 2019/0362,926 | ESTIMATION OF CATHODE SPACE CURRENT FOR A THERMIONIC VACUUM TUBE USING A POLYNOMIAL BASED ON A HEURISTICALLY DETERMINED VARIABLE REPRESENTING THE GRID AND PLATE VOLTAGES | May 17, 19 | Nov 28, 19 | Not available |
| 2018/0240,637 | Graphene/Graphite-Based Filament for Thermal Ionization | Feb 17, 17 | Aug 23, 18 | Not available |
| 2015/0187,541 | Cathode arrangement, electron gun, and lithography system comprising such electron gun | Dec 22, 14 | Jul 02, 15 | MAPPER LITHOGRAPHY IP B.V. |
| 2014/0197,736 | FILAMENT DETECTION CIRCUIT | Jan 15, 13 | Jul 17, 14 | OSRAM SYLVANIA INC. |
| 2012/0126,701 | System And Apparatus For Cathodoluminescent Lighting | Jan 14, 12 | May 24, 12 | Vu1 Corporation |
| 2012/0098,409 | Filament for Electron Source | Oct 21, 10 | Apr 26, 12 | HERMES MICROVISION, INC. |
| 2011/0280,377 | THERMIONIC SURFACE EMITTER AND ASSOCIATED METHOD TO OPERATE AN X-RAY TUBE | May 06, 11 | Nov 17, 11 | SIEMENS AKTIENGESELLSCHAFT |
| 2010/0301,736 | ELECTRON EMITTING SOURCE AND MANUFACTURING METHOD OF ELECTRON EMITTING SOURCE | Jul 11, 08 | Dec 02, 10 | DENKI KAGAKU KOGYO KABUSHIKI KAISHA |
| 2010/0207,508 | THERMIONIC ELECTRON EMITTER, METHOD FOR PREPARING SAME AND X-RAY SOURCE INCLUDING SAME | Jul 18, 08 | Aug 19, 10 | KONINKLIJKE PHILIPS ELECTRONICS N.V., KONINKLIJKE PHILIPS ELECTRONICS N V, |
| 2010/0195,797 | THERMIONIC ELECTRON EMITTER AND X-RAY SOUCE INCLUDING SAME | Jul 17, 08 | Aug 05, 10 | KONINKLIJKE PHILIPS ELECTRONICS N.V., KONINKLIJKE PHILIPS ELECTRONICS N V, |
| 2010/0195,798 | Cathode Structures for X-Ray Tubes | Apr 13, 10 | Aug 05, 10 | VAREX IMAGING CORPORATION |
| 2010/0187,969 | LUMINOUS BODY FOR AN INCANDESCENT LAMP AND METHOD FOR ITS PRODUCTION | Jul 20, 07 | Jul 29, 10 | OSRAM GMBH |
| 2010/0097,004 | System And Apparatus For Cathodoluminescent Lighting | Sep 11, 09 | Apr 22, 10 | Vu1 Corporation |
| 2009/0140,626 | VACUUM CHANNEL TRANSISTOR AND MANUFACTURING METHOD THEREOF | Sep 30, 08 | Jun 04, 09 | ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE |
| 2009/0032,702 | Method and Apparatus for Selectively Providing Electrons in an Ion Source | Aug 02, 07 | Feb 05, 09 | THERMO FINNIGAN LLC |
| 2008/0048,544 | Diamond Electron Emission Cathode, Electron Emission Source, Electron Microscope, and Electron Beam Exposure Device | Jun 19, 06 | Feb 28, 08 | SUMITOMO ELECTRIC INDUSTRIES, LTD. |
| 2007/0228,951 | Article incorporating a high temperature ceramic composite for selective emission | Mar 31, 06 | Oct 04, 07 | GENERAL ELECTRIC COMPANY |