Inventor
Werner Kiefer
Inventor
Mainz, DE
Overview
Patents· 33 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C03Cprimary
C03CChemical composition of glasses, glazes or vitreous enamels26%
C03BManufacture, shaping, or supplementary processes25%
Y10TTechnical subjects covered by former us classification8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry4%
C04BLime, magnesia4%
Y02PClimate change mitigation technologies in the production or processing of goods4%
B01DSeparation3%
C02FTreatment of water, waste water, sewage, or sludge3%
C12NMicroorganisms or enzymes3%
PatentTitleYear
8,869,561'Method and a device for the refining of glass'20148,424,342'Melting and refining in tanks with cooled walls'20137,694,533'Method for the refining of glass'20107,137,277'Method and device for producing colored glasses'20067,010,941'Coating of cooled devices'20066,912,874'Device and process for introducing gases into a hot medium'20056,817,212'Skull pot for melting or refining glass or glass ceramics'20046,810,689'Process for the melting, refining and homogenizing of glass melts'20046,698,244'Method for refining molten glass'20046,630,420'Glass with high proportion of zirconium-oxide and its uses'20036,627,569'Glass with high proportion of zirconium-oxide and its uses'20036,588,234'Device and method of plaining glasses or glass-ceramics'20036,577,667'Skull pot for melting or refining inorganic substances'20036,414,982'Device for melting and/or refining inorganic compounds'20025,763,343'Fire retardant safety glass'19985,656,558'Fire retardant safety glass'19975,633,090'Lead-and cadmium-free glass composition for glazing, enameling and decorating glass'19975,127,931'Process for ion exchange on glass or glass ceramic'19925,096,814'Macroporous and microporous inorganic carrier for immobilization of cells'19925,079,196'Fiber reinforced composites and process for manufacture'19925,045,509'UV-transparent glass'19914,987,068'Porous inorganic support spheres which can be cleaned of surface biomass under fluidized bed conditions'19914,927,442'Method of producing open-pore sintered glass filters and product'19904,904,291'Process for the manufacture of open porous sintered bodies being prepronderantly composed of glass ceramics'19904,870,034'Borosilicate glass'19894,588,540'Method of manufacturing porous sintered inorganic bodies with large open pore volume'19864,516,999'Process for the thermal tempering of glass'19854,515,897'Crystallizing glass solders and stripping films with such glass solder imprinted thereon'19854,404,291'Low-density, open-pore molded inorganic body with a homogeneous pore distribution'19834,203,264'Fireproof building element'19804,172,921'Fireproof glass'19794,113,904'Fire resistant windows'19783,984,252'Fireproof glass windowpanes'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1985Patents assigned to JENAER GLASWERK SCHOTT & GEN (5)· patent assignee history
1976–1980Based in Mainz-Mombach, DE· patent location history
1978–2014Based in Mainz, DE· patent location history
1983–1998Patents assigned to SCHOTT GLASWERKE (14)· patent assignee history
1986–1992Based in Mainz-Finthen, DE· patent location history
2002–2010Patents assigned to SCHOTT GLAS (8)· patent assignee history
2006–2014Patents assigned to SCHOTT AG (4)· patent assignee history
2013–2014Patents assigned to KIEFER WERNER (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SCHOTT GLASWERKE | 14 | 1983–1998 |
| SCHOTT GLAS | 8 | 2002–2010 |
| JENAER GLASWERK SCHOTT & GEN | 5 | 1976–1985 |
| SCHOTT AG | 4 | 2006–2014 |
| KIEFER WERNERself | 2 | 2013–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Mainz, DE | 28 | 1978–2014 |
| Mainz-Finthen, DE | 3 | 1986–1992 |
| Mainz-Mombach, DE | 2 | 1976–1980 |