Inventor
Georg Frommeyer
Inventor
Erkrath, DE
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C22Cprimary
C22CAlloys32%
C21DModifying the physical structure of ferrous metals11%
B22DCasting of metals7%
B22FWorking metallic powder7%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium7%
C22BProduction and refining of metals7%
B23KSoldering or unsoldering4%
B62DMotor vehicles4%
C01FCompounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or of the rare-earth metals4%
C07BGeneral methods of organic chemistry4%
PatentTitleYear
9,388,481'High strength, oxidation and wear resistant titanium-silicon based alloy'20169,267,193'High-strength steel sheet and the method for production therefor'20167,806,165'Method for making hot strips of lightweight construction steel'20107,534,314'High carbon steel with superplasticity'20097,504,010'Anode for electrolysis of aluminum'20096,659,162'Production of large-area metallic integral foams'20036,521,771'Use of zinc treated with metal hydride in organometallic synthesis'20036,387,154'Process for separating molten metals'20026,387,192'Light constructional steel and the use thereof'20026,383,662'Light weight steel and its use for car parts and facade linings'20026,197,089'Activated magnesium metal'20015,944,914'Aluminothermic mixture with ferrochromium alloy'19995,141,703'Process of producing Mg.sub.2 Si-containing alloys'19925,028,386'Process for the production of tools'1991Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991–2016Based in Erkrath, DE· patent location history
1999Patents assigned to ELEKTRO THERMIT GMBH (1)· patent assignee history
2001–2003Patents assigned to GOLDSCHMIDT AG TH (4)· patent assignee history
2009–2016Patents assigned to ELKEM AS (2)· patent assignee history
2009Patents assigned to DAIMLER AG (1)· patent assignee history
2009–2016Based in Ekrath, DE· patent location history
2016Patents assigned to BROKMEIER KLAUS (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GOLDSCHMIDT AG TH | 4 | 2001–2003 |
| ELKEM AS | 2 | 2009–2016 |
| BROKMEIER KLAUS | 1 | 2016 |
| DAIMLER AG | 1 | 2009 |
| ELEKTRO THERMIT GMBH | 1 | 1999 |
Locations
| Location | Patents | Span |
|---|---|---|
| Erkrath, DE | 12 | 1991–2016 |
| Ekrath, DE | 2 | 2009–2016 |