Nova Patents
AT212452T

Device for controlling a liquid flow

Abstract

(57) Equipment for controlling a liquid flow by summary gas pressure. This equipment contains the pressure chamber (5) in which overpressure, negative pressure, or atmospheric pressure can spread. The pressure in this pressure chamber (5) can be used to pass the above-mentioned liquid flow or to stop the above-mentioned liquid flow. Furthermore, the above-mentioned liquid flow can be restricted to the predetermined flow velocity. Especially this equipment is used by a wastewater system, water pressure engineering construction, and irrigation construction.

Term

No projected expiry on record.

  1. Priority
  2. Filed
  3. Granted
  4. Today

21 members in 9 offices

This recordMember, by publication datePriority claim

Priority claims2

Priority claims
DocumentOfficeKindDate
1005369Netherlands (Kingdom of the)A
9800106Netherlands (Kingdom of the)W

Members21

Family members, oldest first
DocumentOfficeKind
CA2281647A1CanadaA1
WO9837469A1World Intellectual Property Organization (WIPO)A1
AU6636898AAustraliaA
NL1005369C1Netherlands (Kingdom of the)C1
EP0965074A1European Patent Office (EPO)A1
JP2001512603AJapanA
EP1143317A1European Patent Office (EPO)A1
EP0965074B1European Patent Office (EPO)B1
AU743539B2AustraliaB2
AT212452TThis recordAustriaT
ATE212452T1AustriaT1
DE69803559D1GermanyD1
US2002043283A1United States of AmericaA1
US6474356B2United States of AmericaB2
DE69803559T2GermanyT2
CA2281647CCanadaC
EP1143317B1European Patent Office (EPO)B1
AT266877TAustriaT
ATE266877T1AustriaT1
DE69823887D1GermanyD1
DE69823887T2GermanyT2