Franz Knopf — 22 Patents at Eltex Elektrostatik Gmbh

Franz Knopf has been granted 22 US patents while listed as an inventor at Eltex Elektrostatik Gmbh. The first was granted in 1980 and the most recent in July 2020. Franz Knopf ranks #189,202 of 4,157,543 US inventors in our database (top 4.6%). Patent records list Franz Knopf in Asperg, DE.

Patents per Year

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
10727651	Emission tip assembly and method for operating same	—	2020-07-28
8474304	Device for the determination of the concentration of solid particles	Helmut Pongratz, Alexander Bergmann	2013-07-02
8444538	Impression roller and use of the same	Lukas Hahne, Thomas Litterst	2013-05-21	$17,293,000
8308846	Method and device for precipitating impurities from a stream of gas	Marcel Op de Laak	2012-11-13
7431897	Apparatus replacing atmospheric oxygen with an inert gas from a laminar air boundary layer and application of said apparatus	Lukas Hahne	2008-10-07
7345766	Measuring chamber for photo-acoustical sensors	Wolfgang Schindler, Klaus-Christoph Harms, Harald Grantner	2008-03-18
6827781	Device for humidifying a material web	Ernst August Hahne	2004-12-07
6748855	Device and method for blocking a stack of stacked objects	Ernst August Hahne, Hermann Kunzig	2004-06-15
6508174	Electrostatic printing aid	Ernst August Hahne, Thomas Ludwig	2003-01-21
6504700	Active discharge collector for minimizing positive and/or negative charges on moving material webs	Ernst August Hahne	2003-01-07
6445562	Method and device for electrostatic charging	Ernst August Hahne, Hermann Kunzig	2002-09-03
6308574	Measuring device to measure the pressure of an atmosphere	Wolfgang Klun	2001-10-30
6285032	Device for removing the gaseous laminar boundary layer of a web	Ernst August Hahne	2001-09-04
6159555	Method and device for electrostatic charging	Ernst August Hahne, Hermann Kunzig	2000-12-12
5517384	Compound surface-charging electrode	Ernst August Hahne	1996-05-14
5322011	Pressure cylinder with electrostatically assisted ink transfer	Ernst August Hahne	1994-06-21
5044275	Electrostatic printing assist system	Ernst August Hahne, Herman Kunzig	1991-09-03
4610326	Air cooling arrangement for encapsulated vehicle engine	Karl Kirchweger, Gerhard Thien	1986-09-09
4514140	Axial fan	—	1985-04-30
4459944	Water-cooled internal combustion engine with a sound-absorbing cover	Karl Kirchweger, Gerhard Thien	1984-07-17
4455971	Water-cooled internal combustion engine with a sound absorbing cover	Karl Kirchweger	1984-06-26
4208965	Method for electrostatic assistance in printing processes, and printing machines having electrostatic substrate contact pressure	Helmut Eichler	1980-06-24