Inventor
GEISER FRIEDRICH
AT26 patents
⚠️ This page may combine multiple inventors who share the name “GEISER FRIEDRICH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
VAT HOLDING AG
15 patentsUS6416037B1Jul 9, 2002
Vacuum pipe
VAT HOLDING AG138 citations98
US6494434B1Dec 17, 2002
Butterfly valve
VAT HOLDING AG55 citations96
US6431518B1Aug 13, 2002
Vacuum valve
VAT HOLDING AG74 citations96
US5379983AJan 10, 1995
Shut-off valves for pipelines
VAT HOLDING AG56 citations96
US4921213AMay 1, 1990
Valve slide
VAT HOLDING AG76 citations96
US7413162B2Aug 19, 2008
Vacuum valve
VAT HOLDING AG29 citations92
US6698719B2Mar 2, 2004
Seal arrangement for a vacuum valve
VAT HOLDING AG23 citations92
US7011294B1Mar 14, 2006
Vacuum valve
VAT HOLDING AG32 citations91
US7802772B2Sep 28, 2010
Pendulum and slide gate vacuum valve
VAT HOLDING AG14 citations84
US7658367B2Feb 9, 2010
Valve essentially gastight closing of a flow path
VAT HOLDING AG11 citations84
US7396001B2Jul 8, 2008
Valve for essentially gastight closing a flow path
VAT HOLDING AG15 citations84
US7036794B2May 2, 2006
Method for control of a vacuum valve arranged between two vacuum chambers
VAT HOLDING AG17 citations84
US6357475B1Mar 19, 2002
Pneumatic sequential control valve
VAT HOLDING AG2 citations63
US8950729B2Feb 10, 2015
Gate valve with linearly displaceable closing members
VAT HOLDING AG2 citations62
US10612674B2Apr 7, 2020
Valve, in particular a vacuum valve
VAT HOLDING AG1 citations57
GEISER FRIEDRICH
7 patentsUS7647999B2Jan 19, 2010
Multitrack curve-tilting vehicle, and method for tilting a vehicle
GEISER FRIEDRICH25 citations92
US8622368B2Jan 7, 2014
Flap transfer valve with pivotable valve closure beam
GEISER FRIEDRICH10 citations83
US8827241B2Sep 9, 2014
Door for sealing an opening
GEISER FRIEDRICH19 citations76
US8097084B2Jan 17, 2012
Vacuum chamber system for semiconductor processing
GEISER FRIEDRICH15 citations76
US9528614B2Dec 27, 2016
Vacuum valve and closure member for closing a flow path in a gas-tight manner by means of a linear movement
GEISER FRIEDRICH3 citations65
US8870157B2Oct 28, 2014
Flap transfer valve with valve cover
GEISER FRIEDRICH2 citations62
US8870158B2Oct 28, 2014
Flap transfer valve with pivoting bearing
GEISER FRIEDRICH1 citations51