Inventor
Paul Eirich
Inventor
Hardheim, DE
Overview
Patents· 18 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B01Fprimary
B01FMixing, e.g. dissolving, emulsifying or dispersing21%
B22CFoundry moulding16%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
C04BLime, magnesia5%
G01NInvestigating or analysing materials by determining their chemical or physical properties5%
H05BElectric heating5%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry3%
B02CCrushing, pulverising, or disintegrating in general3%
B09BDisposal of solid waste not otherwise provided for3%
B27NManufacture by dry processes of articles, with or without organic binding agents, made from particles or fibres consisting of wood or other lignocellulosic or like organic material3%
PatentTitleYear
10,464,033Apparatus for treating and cooling foundry moulding sand20196,926,063'Method for conditioning foundry moulding sand and a device therefor'20056,860,313'Method and device for the preparation of foundry sand'20056,669,360'Device and method for sealing a discharge aperture in a rotating container'20035,694,413'Procedure and apparatus for continuous supply of heat in electrically conductive bulk goods'19975,589,650'Apparatus and method for defining molding technological properties of molding substances in casting works'19965,018,673'Continuously working mixer'19914,997,357'Apparatus for treatment of power station residues'19914,854,715'Pressure-resistant mixer'19894,758,372'Method of producing lead paste for batteries'19884,744,829'Process for producing agglomerates which are resistant to leaching out'19884,681,267'Method of regenerating old casting sand'19874,624,003'Apparatus for heating electrically conductive bulk materials'19864,569,025'Method of preparing foundrys and by measuring moisture and compressibility'19864,562,970'Apparatus for opening and closing the outlet aperture of a processing machine'19864,560,283'Apparatus for closing and continuously emptying the container of a treatment machine'19854,186,592'Method of measuring the moisture content in flowable materials and apparatus for carrying out the method'19803,956,446'Method of forming discrete pieces or pellets from meltable glass-producing mixtures'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1991Patents assigned to EIRICH HUBERT (11)· patent assignee history
1976–1991Patents assigned to EIRICH PAUL (11)· patent assignee history
1976–1991Patents assigned to EIRICH WALTER (11)· patent assignee history
1976–2019Based in Hardheim, DE· patent location history
1980Based in Steinau a.d. Str., DE· patent location history
1991Patents assigned to DRAISWERKE GMBH (1)· patent assignee history
1996–2005Patents assigned to EIRICH MASCHF GUSTAV (4)· patent assignee history
1996Based in Handheim, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| EIRICH HUBERT | 11 | 1976–1991 |
| EIRICH PAULself | 11 | 1976–1991 |
| EIRICH WALTER | 11 | 1976–1991 |
| EIRICH MASCHF GUSTAV | 4 | 1996–2005 |
| DRAISWERKE GMBH | 1 | 1991 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hardheim, DE | 16 | 1976–2019 |
| Handheim, DE | 1 | 1996 |
| Steinau a.d. Str., DE | 1 | 1980 |