Global Patent Index - EP 0959228 B1

EP 0959228 B1 2003-06-25 - Film-cooling holes in staggered rows

Title (en)

Film-cooling holes in staggered rows

Title (de)

Gestaffelte Anordnung von Filmkühlungsbohrungen

Title (fr)

Trous de refroidissement par pellicule en agencement décalé

Publication

EP 0959228 B1 (DE)

Application

EP 98810475 A

Priority

EP 98810475 A

Abstract (en)

[origin: EP0959228A1] The gas turbine blade cooling gas flow hole array has the number of relatively small diameter holes in the first row (1) equal to or less than the number of larger diameter holes in the second row (2) in the downstream direction.

IPC 1-7 (main, further and additional classification)

F01D 5/18

IPC 8 full level (invention and additional information)

F01D 5/18 (2006.01)

CPC (invention and additional information)

F01D 5/186 (2013.01); F05D 2260/202 (2013.01)

Designated contracting state (EPC)

DE GB

EPO simple patent family

EP 0959228 A1 19991124; EP 0959228 B1 20030625; DE 59808819 D1 20030731; US 6267552 B1 20010731

INPADOC legal status


2018-05-20 [REG DE R071] EXPIRY OF RIGHT

- Document: DE 59808819

2017-09-20 [REG GB 732E] AMENDMENTS TO THE REGISTER IN RESPECT OF CHANGES OF NAME OR CHANGES AFFECTING RIGHTS (SECT. 32/1977)

- Free text: REGISTERED BETWEEN 20170824 AND 20170830

2017-09-19 [REG DE R081] CHANGE OF APPLICANT/PATENTEE

- Owner name: ANSALDO ENERGIA IP UK LIMITED, GB

- Free text: FORMER OWNER: GENERAL ELECTRIC TECHNOLOGY GMBH, BADEN, CH

- Document: DE 59808819

2017-09-19 [REG DE R082] CHANGE OF REPRESENTATIVE

- Document: DE 59808819

- Representative's name: ROESLER, UWE, DIPL.-PHYS.UNIV., DE

2017-07-31 [PGFP DE] POSTGRANT: ANNUAL FEES PAID TO NATIONAL OFFICE

- Ref Country Code: DE

- Payment date: 20170523

- Year of fee payment: 20

2017-07-31 [PGFP GB] POSTGRANT: ANNUAL FEES PAID TO NATIONAL OFFICE

- Ref Country Code: GB

- Payment date: 20170519

- Year of fee payment: 20

2016-08-09 [REG DE R081] CHANGE OF APPLICANT/PATENTEE

- Owner name: GENERAL ELECTRIC TECHNOLOGY GMBH, CH

- Free text: FORMER OWNER: ALSTOM TECHNOLOGY LTD., BADEN, CH

- Document: DE 59808819

2016-08-09 [REG DE R081] CHANGE OF APPLICANT/PATENTEE

- Owner name: ANSALDO ENERGIA IP UK LIMITED, GB

- Free text: FORMER OWNER: ALSTOM TECHNOLOGY LTD., BADEN, CH

- Document: DE 59808819

2016-08-09 [REG DE R082] CHANGE OF REPRESENTATIVE

- Document: DE 59808819

- Representative's name: ROESLER, UWE, DIPL.-PHYS.UNIV., DE

2012-09-06 [REG DE R081] CHANGE OF APPLICANT/PATENTEE

- Owner name: ALSTOM TECHNOLOGY LTD., CH

- Free text: FORMER OWNER: ALSTOM (SWITZERLAND) LTD., BADEN, CH

- Document: DE 59808819

- Effective date: 20120713

2012-09-06 [REG DE R081] CHANGE OF APPLICANT/PATENTEE

- Owner name: GENERAL ELECTRIC TECHNOLOGY GMBH, CH

- Free text: FORMER OWNER: ALSTOM (SWITZERLAND) LTD., BADEN, CH

- Document: DE 59808819

- Effective date: 20120713

2012-09-06 [REG DE R081] CHANGE OF APPLICANT/PATENTEE

- Owner name: ANSALDO ENERGIA IP UK LIMITED, GB

- Free text: FORMER OWNER: ALSTOM (SWITZERLAND) LTD., BADEN, CH

- Document: DE 59808819

- Effective date: 20120713

2012-09-06 [REG DE R082] CHANGE OF REPRESENTATIVE

- Document: DE 59808819

- Representative's name: ROESLER, UWE, DIPL.-PHYS.UNIV., DE

- Effective date: 20120713

2012-08-29 [REG GB 732E] AMENDMENTS TO THE REGISTER IN RESPECT OF CHANGES OF NAME OR CHANGES AFFECTING RIGHTS (SECT. 32/1977)

- Free text: REGISTERED BETWEEN 20120802 AND 20120808

2012-07-13 [REG DE R082] CHANGE OF REPRESENTATIVE

- Document: DE 59808819

- Representative's name: UWE ROESLER, DE

2004-06-16 [26N] NO OPPOSITION FILED

- Effective date: 20040326

2003-10-29 [GBT] GB: TRANSLATION OF EP PATENT FILED (GB SECTION 77(6)(A)/1977)

- Effective date: 20031006

2003-07-31 [REF] CORRESPONDS TO:

- Document: DE 59808819 P 20030731

2003-06-25 [AK] DESIGNATED CONTRACTING STATES:

- Designated State(s): DE GB

2003-06-25 [REG GB FG4D] EUROPEAN PATENT GRANTED

- Free text: NOT ENGLISH

2003-05-02 [RIN1] INVENTOR CHANGED BEFORE GRANT

- Inventor name: WEIGAND, BERNHARD, DR.

2002-11-27 [RAP1] TRANSFER OF RIGHTS OF AN APPLICATION

- Owner name: ALSTOM (SWITZERLAND) LTD

2001-12-12 [RAP1] TRANSFER OF RIGHTS OF AN APPLICATION

- Owner name: ALSTOM

2000-09-27 [RAP1] TRANSFER OF RIGHTS OF AN APPLICATION

- Owner name: ABB ALSTOM POWER (SCHWEIZ) AG

2000-09-13 [RAP1] TRANSFER OF RIGHTS OF AN APPLICATION

- Owner name: ASEA BROWN BOVERI AG

2000-08-09 [RAP1] TRANSFER OF RIGHTS OF AN APPLICATION

- Owner name: ABB ALSTOM POWER (SCHWEIZ) AG

2000-08-02 [AKX] PAYMENT OF DESIGNATION FEES

- Free text: DE GB

2000-07-12 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20000513

1999-11-24 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): DE GB

1999-11-24 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO:

- Free text: AL;LT;LV;MK;RO;SI