DL

Donald G. Landis

LA Lansense: 5 patents #1 of 1Top 100%
BE Btu Engineering: 2 patents #5 of 14Top 40%
AM AMD: 1 patents #5,683 of 9,279Top 65%
📍 Milford, NH: #15 of 173 inventorsTop 9%
🗺 New Hampshire: #1,342 of 12,181 inventorsTop 15%
Overall (All Time): #471,760 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
6639506 Method and apparatus for sensing and measuring plural physical properties, including temperature 2003-10-28
6559771 Sensing and measuring circuit employing a positive-temperature-coefficient sensing device 2003-05-06
6549136 Sensing and switching circuit employing a positive-temperature-coefficient sensing device 2003-04-15
6411192 Method and apparatus for sensing and measuring plural physical properties, including temperature 2002-06-25
6158885 Thermocouple-to-extension wire ambient temperature error correction device 2000-12-12
5860805 Effluent-gas-scavenger system for process tube, minimizing back diffusion and atmospheric contamination 1999-01-19
5591299 System for providing integrated monitoring, control and diagnostics functions for semiconductor spray process tools Jay J. Seaton, Michael Allen, Patrick Lee, David Linzy, Susan B. Luca 1997-01-07
5216918 Fluid mass flow detecting David Linzy, John H. Fabricius 1993-06-08
5026967 Vision enhanced method for making a full round bushing Bruce Bell 1991-06-25
4672997 Modular, self-diagnostic mass-flow controller and system John H. Fabricius 1987-06-16
4276603 Diffusion furnace microcontroller Martin Beck, John H. Fabricius 1981-06-30