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Publication numberDE2816840 A1
Publication typeApplication
Application numberDE19782816840
Publication date13 Sep 1979
Filing date18 Apr 1978
Priority date10 Mar 1978
Also published asDE2816840C2, US4232813
Publication number19782816840, 782816840, DE 2816840 A1, DE 2816840A1, DE-A1-2816840, DE19782816840, DE2816840 A1, DE2816840A1, DE782816840
InventorsHomer L Eaton
ApplicantEaton Leonard Corp
Export CitationBiBTeX, EndNote, RefMan
External Links: DPMA, Espacenet
Verfahren und einrichtung zum herstellen gebogener rohre Method and device for the manufacture of curved pipes translated from German
DE 2816840 A1
Abstract  available in
Description  available in
Claims  available in
Patent Citations
Cited PatentFiling datePublication dateApplicantTitle
FR2107818A1 * Title not available
US4048834 *15 Apr 197620 Sep 1977General Electric CompanyApparatus for forming serpentine heat exchangers
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
EP2281643A128 May 20109 Feb 2011WAFIOS AktiengesellschaftAssembly for bending tubular workpieces
US833309423 Jul 201018 Dec 2012Wafios AktiengesellschaftArrangement for bending tubular workpieces
Classifications
International ClassificationB21D7/024, B21D7/025, B21C37/08, B21C1/22, B21D53/88
Cooperative ClassificationB21D7/024, B21C37/0807, B21D53/88
European ClassificationB21C37/08G, B21D7/024, B21D53/88
Legal Events
DateCodeEventDescription
2 Sep 19828128New person/name/address of the agent
Representative=s name: JUNG, E., DIPL.-CHEM. DR.PHIL. SCHIRDEWAHN, J., DI
2 Sep 19828127New person/name/address of the applicant
Owner name: EATON-LEONARD CORP. (EINE GES. N.D.GESETZEN D.STAA
16 Sep 19828128New person/name/address of the agent
Representative=s name: SCHROETER, H., DIPL.-PHYS., 7070 SCHWAEBISCH GMUEN
26 Jul 19848110Request for examination paragraph 44
27 Aug 19878128New person/name/address of the agent
Representative=s name: BOEHMERT, A., DIPL.-ING. HOORMANN, W., DIPL.-ING.
27 Aug 19878127New person/name/address of the applicant
Owner name: E.L. ACQUISITION CORP., SAN MARINO, CALIF., US
11 Feb 19888128New person/name/address of the agent
Representative=s name: SCHROETER, H., DIPL.-PHYS., 7070 SCHWAEBISCH GMUEN
11 Feb 19888127New person/name/address of the applicant
Owner name: EATON LEONARD TECHNOLOGIES, INC., SAN MARINO, CALI
20 Oct 1988D2Grant after examination
20 Apr 19898364No opposition during term of opposition
10 Apr 19978339Ceased/non-payment of the annual fee