EP1566352A3
Feed pump for powder and its method of operation
Abstract
The invention relates to an operating method for a powder feed pump (1) having a feed chamber (7, 8) with an inlet and an outlet, comprising the following steps: closing the outlet of the feed chamber (7, 8); Opening the inlet of the delivery chamber (7, 8); Generating a negative pressure in the delivery chamber (7, 8) for sucking a powder (3) through the inlet into the delivery chamber (7, 8); Closing the inlet of the delivery chamber (7, 8); Opening the outlet of the delivery chamber (7, 8); Delivery of the in the delivery chamber (7, 8) located powder (3) through the outlet. It is proposed that the negative pressure in the delivery chamber (7, 8) is at least partially established before the inlet of the delivery chamber (7, 8) is opened. Furthermore, the invention relates to a correspondingly designed powder feed pump (1).
Term
Term ended
Projected expiry passed 16 February 2025, 1.6 years ago.
- Priority
- Filed
- Published
- Projected expiry
- Today
1 sheet
Sheet 1
Every citation, both ways
| Document | Relation | Office | Category | Cited during | Relevant claims |
|---|---|---|---|---|---|
| WO03029762A1 | Cites | World Intellectual Property Organization (WIPO) | XAY | Search report | 1,3-8,10-15,18 |
| CH676112A5 | Cites | Switzerland | Y | Search report | 9,16 |
| WO8200349A1 | Cites | World Intellectual Property Organization (WIPO) | Y | Search report | 17 |
10 members in 5 offices; this record represents the family
Priority claims5
| Document | Office | Kind | Date |
|---|---|---|---|
| 102004007967 | Germany | A | |
| 102004007967 | Germany | A | |
| 102004007967 | Germany | – | |
| 102004007967 | – | – | – |
| DE20041007967 | – | – | – |
Members10
| Document | Office | Kind | |
|---|---|---|---|
| US2005178325A1 | United States of America | A1 | |
| EP1566352A2 | European Patent Office (EPO) | A2 | |
| DE102004007967A1 | Germany | A1 | |
| EP1566352A3This record | European Patent Office (EPO) | A3 | |
| EP1566352B1 | European Patent Office (EPO) | B1 | |
| AT373616T | Austria | T | |
| ATE373616T1 | Austria | T1 | |
| DE502005001503D1 | Germany | D1 | |
| ES2293398T3 | Spain | T3 | |
| US7465130B2 | United States of America | B2 |
75 legal events, as 9 offices reported them to INPADOC
Over the term
Point at a mark for the eventEvents
| Event | Code | Office | |
|---|---|---|---|
| Opt-out of the competence of the unified patent court (upc) registeredP01 | P01 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Notification of lapseLapsedST | ST | FR | |
| Lapsed because of non-payment of the annual feeLapsedMM | MM | NL | |
| Gb: european patent ceased through non-payment of renewal feeCeasedGBPC | GBPC | EP | |
| Ep patent has lapsedLapsedEUG | EUG | SE | |
| Change of applicant/patenteeR081 | R081 | DE | |
| Change of representativeR082 | R082 | DE | |
| Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal feeWithdrawnR119 | R119 | DE | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Fee paymentPLFP | PLFP | FR | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Change of applicant/patenteeR081 | R081 | DE | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Patent ceasedCeasedPL | PL | CH | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| No opposition filed against granted patent, or epo opposition proceedings concluded without decisionGrantedR097 | R097 | DE | |
| No opposition filedOpposition26N | 26N | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| No opposition filed within time limitOppositionORIGINAL CODE: 0009261PLBE | PLBE | EP | |
| Information on the status of an ep patent application or granted ep patentGrantedSTATUS: NO OPPOSITION FILED WITHIN TIME LIMITSTAA | STAA | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| European patents designating ireland treated as always having been voidFD4D | FD4D | IE | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Definitive protectionFG2A | FG2A | ES | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Fr: translation filedET | ET | EP | |
| Translation of granted ep patentGrantedTRGR | TRGR | SE | |
| European patents granted designating irelandGrantedLANGUAGE OF EP DOCUMENT: GERMANFG4D | FG4D | IE | |
| Dpma publication of mentioned ep patent grantGrantedR096 | R096 | DE | |
| Corresponds to:REF | REF | EP | |
| Gb: translation of ep patent filed (gb section 77(6)(a)/1977)GBT | GBT | EP | |
| European patent takes effect as a national patent in ch/liEP | EP | CH | |
| Designated contracting statesAK | AK | EP | |
| European patent grantedGrantedNOT ENGLISHFG4D | FG4D | GB | |
| (expected) grantORIGINAL CODE: 0009210GRAA | GRAA | EP | |
| Grant fee paidORIGINAL CODE: EPIDOSNIGR3GRAS | GRAS | EP | |
| Despatch of communication of intention to grant a patentORIGINAL CODE: EPIDOSNIGR1GRAP | GRAP | EP | |
| Designation fees paidAKX | AKX | EP | |
| Request for examination filed17P | 17P | EP | |
| Designated contracting statesAK | AK | EP | |
| Request for extension of the european patentAX | AX | EP | |
| Search report despatchedORIGINAL CODE: 0009013PUAL | PUAL | EP | |
| Designated contracting statesAK | AK | EP | |
| Request for extension of the european patentAX | AX | EP | |
| Public reference made under article 153(3) epc to a published international application that has entered the european phaseORIGINAL CODE: 0009012PUAI | PUAI | EP |
Numbers
- Publication
- 1566352
- Publication, DOCDB
- 1566352
- Publication, EPODOC
- EP1566352
- Application
- 5003279
- Application, DOCDB
- 05003279
- Application, EPODOC
- EP20050003279
Titles3
- German
- Pulverförderpumpe und zugehöriges Betriebsverfahren
- English
- Feed pump for powder and its method of operation
- French
- Pompe d'alimentation pour matière poudreuse et son procédé d'opération
Classification
- CPC, 3
- B65G53/525
- B05B7/1459
- B65G53/28
- IPC, 3
- B65G53 28
- B65G53 52
- B05B7 14
Designated states2
- Contracting states, 1
- Türkiye
- Extension states, 1
- Yugoslavia, later Serbia and Montenegro (until 2006)