Paul Eirich — 17 Patents at Unknown

Paul Eirich has been granted 17 US patents while listed as an inventor at Unknown. The first was granted in 1980 and the most recent in November 2019. Paul Eirich ranks #263,971 of 4,157,543 US inventors in our database (top 6.3%). Patent records list Paul Eirich in Hardheim, DE.

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #	Title	Co-Inventors	Date
10464033	Apparatus for treating and cooling foundry moulding sand	Andreas Seiler, Feng Li, Stefan Gerl	2019-11-05
6926063	Method for conditioning foundry moulding sand and a device therefor	Hubert Eirich, Walter Eirich	2005-08-09
6860313	Method and device for the preparation of foundry sand	Uwe Greissing, Dieter Adelmann, Herbert Durr, Winfried Diem	2005-03-01
6669360	Device and method for sealing a discharge aperture in a rotating container	Dieter Adelmann	2003-12-30
5694413	Procedure and apparatus for continuous supply of heat in electrically conductive bulk goods	Herbert Durr	1997-12-02
5589650	Apparatus and method for defining molding technological properties of molding substances in casting works	Eckardt Flemming, Werner Tilch, Thomas Schuszter, Marian Ivanov	1996-12-31
5018673	Continuously working mixer	Werner Christen	1991-05-28
4997357	Apparatus for treatment of power station residues	Hubert Eirich, Walter Eirich, Herbert Durr	1991-03-05
4854715	Pressure-resistant mixer	Hubert Eirich, Walter Eirich	1989-08-08
4758372	Method of producing lead paste for batteries	Hubert Eirich, Walter Eirich	1988-07-19
4744829	Process for producing agglomerates which are resistant to leaching out	Hubert Eirich, Walter Eirich	1988-05-17
4681267	Method of regenerating old casting sand	Dieter S. Leidel, Hubert Eirich, Walter Eirich	1987-07-21
4624003	Apparatus for heating electrically conductive bulk materials	Walter Eirich, Hubert Eirich, Erwin Goldschmidt	1986-11-18
4569025	Method of preparing foundrys and by measuring moisture and compressibility	Hubert Eirich, Walter Eirich	1986-02-04
4562970	Apparatus for opening and closing the outlet aperture of a processing machine	Walter Eirich, Hubert Eirich	1986-01-07
4560283	Apparatus for closing and continuously emptying the container of a treatment machine	Hubert Eirich, Walter Eirich, Erwin Goldschmidt	1985-12-24
4186592	Method of measuring the moisture content in flowable materials and apparatus for carrying out the method	Hubert Eirich, Walter Eirich, Josef Hasenhundl, Adolf Spengler	1980-02-05

Paul Eirich — 17 Patents

Issued Patents All Time

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