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  1. Technology classes
  2. /F · Mechanical engineering
  3. /F01 · Machines or engines in general
  4. /F01L · Cyclically operating valves for machines or engines
  5. /F01L 33/00 · Rotary or oscillatory slide valve-gear or valve arrangements, specially adapted for machines
  6. /F01L 33/04
F01L 33/04

Oscillatory

Official title: oscillatory

F01L33/04 (Oscillatory) appears on 17 US grants and 2 published applications in this corpus.

Search patents in F01L

Where it sits

  1. FMechanical engineering
  2. F01Machines or engines in general
  3. F01LCyclically operating valves for machines or engines
  4. F01L 33/00Rotary or oscillatory slide valve-gear or valve arrangements, specially adapted for machines
  5. F01L 33/04Oscillatory
Granted patents
17
Published applications
2
Assignees
7
Inventors
21
Latest grant
13 Mar 2007

Filings by year

Granted patentsPublished applications
F01L 33/04: granted patents and published applications per publication year
YearGranted patentsPublished applications
197660
197710
197820
197900
198000
198100
198220
198300
198400
198500
198610
198700
198800
198920
199000
199100
199210
199300
199400
199500
199600
199700
199810
199900
200000
200100
200200
200300
200401
200501
200600
200710

1976198619962007

By publication year. Applications have been published since 2001.

Recent patents

  • Reciprocating engine and inlet system therefor13 Mar 2007US 7,188,474 B2Cogen Microsystems Pty Ltd
  • Waterpower machine16 Jun 1998US 5,765,375 AHumanteknik AB
  • Solid fuel combustion device and a compressor5 May 1992US 5,109,666 A
  • Combustion engine for solid block fuel31 Oct 1989US 4,876,850 A
  • Solid fuel bar combustion device and a compressor7 Mar 1989US 4,809,503 A
  • Reciprocating engine and inlet system therefor5 May 2005US 2005/0091980 A1Cogen Microsystems Pty Ltd
  • Eccentric bearing for a poppet drive system26 Aug 2004US 2004/0165798 A1

Most cited

By later US patents
  • Continuously operating piston pump39US 3,999,896 A1976
  • Pumping system using solar energy37US 3,937,599 AAgence Nationale de Valorisation de la Recherche (ANVAR) · 1976
  • Water powered drive for automatic controllers16US 3,938,426 AThe Toro Company · 1976
  • Reversing means for double-acting fluid pump12US 4,028,014 A1977
  • Oscillator actuated hydraulic impulse device11US 4,342,255 AMitsui Engineering & Shipbuilding Co., Ltd. · 1982

Top assignees

Documents
  • CMCogen Microsystems Pty Ltd2
  • TThe Toro Company2
  • ANAgence Nationale de Valorisation de la Recherche (ANVAR)1
  • CConmaco, Inc.1
  • HHumanteknik AB1
  • MEMitsui Engineering & Shipbuilding Co., Ltd.1
  • BThe Bendix Corporation1

Often classified with

  • F04BPositive-displacement machines for liquids11
  • F01BMachines or engines, in general or of positive-displacement type4
  • F02BInternal-combustion piston engines4
  • F03CPositive-displacement engines driven by liquids4
  • F02FCylinders, pistons or casings, for combustion engines3
  • F02GHot gas or combustion-product positive-displacement engine plants3
  • Y02TLow-carbon transport3
  • A01GHorticulture2
  • Y10TTechnical subjects covered by former us classification2
  • B06BMethods or apparatus for generating or transmitting mechanical vibrations of infrasonic, sonic1

Documents that also carry the other class.

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