AEG ELOTHERM GMBH
Patent Owner
Stats
- 1 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Nov 30, 1999 most recent publication
Details
- 1 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 82 Total Citation Count
- Mar 15, 1978 Earliest Filing
- 19 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
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Top Patents (by citation)
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Recent Patents
Patent #
Title
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Issue Date
Intl Class
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
5330593 Process and apparatus for the inductive hardening of elongate workpiecesExpiredNov 12, 92Jul 19, 94[C21D]
5173246 Device for the surface hardening of workpieces of different lengthsExpiredAug 20, 90Dec 22, 92[C21D]
4875150 Parallel oscillatory circuit frequency converter with safety circuitExpiredAug 03, 88Oct 17, 89[H02M, H02H]
4746413 Process for regenerating and detoxifying electrolytes used in the electrochemical treatment of metalExpiredDec 02, 86May 24, 88[C25F]
4722024 Device for detecting excess-current in a direct-current generator with controlled rectifierExpiredMay 26, 87Jan 26, 88[H02H]
4704673 Phase-adjusting device for parallel-resonant circuit frequency convertersExpiredJan 09, 87Nov 03, 87[H02P]
4612101 Apparatus for the electrochemical etching of grooves of very small widthExpiredMay 23, 85Sep 16, 86[B23H]
4549256 Inverter arcing control for a parallel-resonant circuit static frequency changerExpiredOct 12, 83Oct 22, 85[H02M, H02P]
4387014 Electrochemical metal processing apparatusExpiredNov 04, 81Jun 07, 83[B23Q, B24B, B23P, B23K]
4331524 Process and apparatus for electrolytic metal processingExpiredMay 13, 80May 25, 82[B23P, B23K]
4256165 Stirring of molten metal core in a casting as withdrawn from a machine for continuous castingExpiredJun 26, 79Mar 17, 81[B22D]
4249724 Apparatus for tempering the surfaces of mutually displaced cams of a cast-iron camshaftExpiredSep 27, 79Feb 10, 81[C21D]
4194728 Apparatus for the inductive hardening by quenching of bearing surfaces of a crankshaftExpiredMar 15, 78Mar 25, 80[C21D]
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