Classifications

• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
  • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
  • F16K21/00—Fluid-delivery valves, e.g. self-closing valves
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
  • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
  • B67D1/00—Apparatus or devices for dispensing beverages on draught
  • B67D1/08—Details
  • B67D1/0829—Keg connection means
  • B67D1/0831—Keg connection means combined with valves
  • B67D1/0832—Keg connection means combined with valves with two valves disposed concentrically
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
  • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
  • H03H7/01—Frequency selective two-port networks
  • H03H7/0115—Frequency selective two-port networks comprising only inductors and capacitors
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
  • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
  • H03H7/01—Frequency selective two-port networks
  • H03H7/075—Ladder networks, e.g. electric wave filters

Landscapes

• Engineering & Computer Science (AREA)
• General Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Power Engineering (AREA)
• Filters And Equalizers (AREA)
• Facsimile Image Signal Circuits (AREA)
• Networks Using Active Elements (AREA)
• Image Processing (AREA)

Applications Claiming Priority (3)

Publications (1)

Family

ID=27158437

Family Applications (1)

Country Status (6)

Families Citing this family (3)

• 1968
  • 1968-09-02 DE DE19681791037 patent/DE1791037A1/de active Pending
  • 1968-09-03 US US757058A patent/US3559114A/en not_active Expired - Lifetime
  • 1968-09-12 FR FR1581335D patent/FR1581335A/fr not_active Expired
  • 1968-09-13 FR FR1581355D patent/FR1581355A/fr not_active Expired
  • 1968-09-13 NL NL6813138A patent/NL6813138A/xx unknown
  • 1968-09-16 CH CH1383868A patent/CH487546A/de not_active IP Right Cessation
  • 1968-09-16 GB GB43995/68A patent/GB1176434A/en not_active Expired

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