| Application Number | Priority Date | Filing Date | Title | 
|---|---|---|---|
| US08/237,447US5437216A (en) | 1994-05-03 | 1994-05-03 | Universal hydraulic valve | 
| PCT/US1995/004822WO1995030096A1 (en) | 1994-05-03 | 1995-04-26 | Universal hydraulic valve | 
| Publication Number | Publication Date | 
|---|---|
| MX9605387Atrue MX9605387A (es) | 1997-12-31 | 
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| MX9605387AMX9605387A (es) | 1994-05-03 | 1995-04-26 | Valvula hidraulica universal. | 
| Country | Link | 
|---|---|
| US (2) | US5437216A (es) | 
| EP (1) | EP0770185B1 (es) | 
| AT (1) | ATE167554T1 (es) | 
| AU (1) | AU678111B2 (es) | 
| CA (1) | CA2188801C (es) | 
| DE (2) | DE770185T1 (es) | 
| MX (1) | MX9605387A (es) | 
| WO (1) | WO1995030096A1 (es) | 
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| US5437216A (en)* | 1994-05-03 | 1995-08-01 | Leonard Studio Equipment, Inc. | Universal hydraulic valve | 
| DE4447544C2 (de)* | 1994-06-28 | 1997-04-24 | Daimler Benz Ag | Servoventilanordnung | 
| US5944285A (en)* | 1997-06-19 | 1999-08-31 | The Boeing Company | Vent valve with pressure relief | 
| US6493569B2 (en)* | 2000-12-30 | 2002-12-10 | Ge Medical Systems Global Technology Company, Llc | Method and apparatus using post contrast-enhanced steady-state free precession in MR imaging | 
| US6581509B1 (en) | 2001-05-25 | 2003-06-24 | Stephens Dynamics, Inc. | Rotary cylinder assembly for a machine tool | 
| US8579525B2 (en) | 2009-08-06 | 2013-11-12 | Chapman/Leonard Studio Equipment, Inc. | Hydraulic stop valve for a camera crane | 
| US8727318B2 (en) | 2012-07-19 | 2014-05-20 | Chapman/Leonard Studio Equipment, Inc. | Hydraulic float down valve for a camera dolly or camera crane | 
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| GB693504A (en)* | 1949-07-25 | 1953-07-01 | Boulton Aircraft Ltd | Improvements in and relating to servo systems | 
| FR1153774A (fr)* | 1955-06-10 | 1958-03-21 | Servo-moteur à piston différentiel, notamment pour mécanismes de direction de véhicules automobiles | |
| US2996047A (en)* | 1959-01-09 | 1961-08-15 | North American Aviation Inc | Actuating means | 
| US3398646A (en)* | 1966-04-08 | 1968-08-27 | Bell Aerospace Corp | Lead signal generation apparatus for use in control systems | 
| US3974742A (en)* | 1974-10-31 | 1976-08-17 | Caterpillar Tractor Co. | Lock valve assembly | 
| FR2321417A1 (fr)* | 1975-08-21 | 1977-03-18 | Dba | Dispositif hydraulique d'assistance de direction de vehicule automobile | 
| SE430183B (sv)* | 1980-02-22 | 1983-10-24 | Asea Ab | Servocylinder med genomgaende kolvstang | 
| US4325402A (en)* | 1980-04-01 | 1982-04-20 | Baker Cac, Inc. | Bimodal, non-venting pneumatic relay | 
| US4360187A (en)* | 1981-06-19 | 1982-11-23 | Chapman Leonard T | Compact hoisting device | 
| JPS5947573A (ja)* | 1982-09-13 | 1984-03-17 | Fuji Eng Kk | 方向切換弁 | 
| US4738279A (en)* | 1985-12-17 | 1988-04-19 | Linde Aktiengesellschaft | Multiway valves with load feedback | 
| US4899097A (en)* | 1986-10-02 | 1990-02-06 | Chapman Leonard T | Motorized tang drive system | 
| US4716933A (en)* | 1986-10-16 | 1988-01-05 | J. I. Case Company | Valve unit | 
| JP2683244B2 (ja)* | 1988-04-14 | 1997-11-26 | 株式会社ゼクセル | 制御弁 | 
| US4854222A (en)* | 1988-08-22 | 1989-08-08 | Allied-Signal Inc. | Load compensated servo system to control flow rate as a function of command | 
| JP3141951B2 (ja)* | 1991-02-15 | 2001-03-07 | 帝人製機株式会社 | アクチュエータの中立位置復帰機構 | 
| US5437216A (en)* | 1994-05-03 | 1995-08-01 | Leonard Studio Equipment, Inc. | Universal hydraulic valve | 
| Publication number | Publication date | 
|---|---|
| EP0770185A1 (en) | 1997-05-02 | 
| CA2188801C (en) | 2005-01-11 | 
| AU2389795A (en) | 1995-11-29 | 
| DE770185T1 (de) | 1997-09-11 | 
| US5819634A (en) | 1998-10-13 | 
| DE69503049D1 (de) | 1998-07-23 | 
| EP0770185B1 (en) | 1998-06-17 | 
| US5437216A (en) | 1995-08-01 | 
| AU678111B2 (en) | 1997-05-15 | 
| CA2188801A1 (en) | 1995-11-09 | 
| WO1995030096A1 (en) | 1995-11-09 | 
| ATE167554T1 (de) | 1998-07-15 | 
| DE69503049T2 (de) | 1998-12-03 | 
| EP0770185A4 (en) | 1997-02-12 | 
| Publication | Publication Date | Title | 
|---|---|---|
| AU4518599A (en) | Gate valve | |
| SE8204496D0 (sv) | Styrventilaggregat for en tryckmediumdriven arbetscylinder | |
| MX9606027A (es) | Accionador para valvula. | |
| WO2003033889A3 (en) | Control valve with integrated electro-hydraulic actuator | |
| MX9605387A (es) | Valvula hidraulica universal. | |
| ATE60115T1 (de) | Dreiwegearmatur. | |
| AU572718B2 (en) | Downhole tool apparatus | |
| CA2263718A1 (en) | Valve assembly | |
| SE7708337L (sv) | Roterande ventil | |
| GB0124376D0 (en) | Door Closer | |
| DE3671085D1 (de) | Abdichtungseinrichtung an einer kolben-zylinderanordnung, insbesondere zur abdichtung des ventilkegels an ventilen mit druckausgleich. | |
| UA66822C2 (uk) | Клапанний привід | |
| SE9301829L (sv) | Snabbkopplingsdel med tryckreduceringsorgan | |
| BR9917169A (pt) | Válvula a gás com comando eletromagnético | |
| ES8500398A1 (es) | "dispositivo valvular de control para disposiciones de control de precision hidraulicas" | |
| WO2002090805A3 (en) | A needle valve related arrangement for flow control | |
| NO174065C (no) | Sluseventil | |
| EP0323216A3 (en) | Reciprocating device and switching mechanism therefor | |
| SE8604612L (sv) | Anordning vid blandarventil av enspakstyp | |
| ATE129548T1 (de) | Absperrklappe mit einer verankerten abdichtungsmanschette. | |
| CA2120483A1 (en) | Butterfly valve with compound movement | |
| JPS6480790A (en) | Two-cylinder rotary compressor | |
| AU3420584A (en) | Pressure modulation valve | |
| GB2316449A (en) | High speed fuel injector | |
| PL446443A1 (pl) | Siłownik obrotowy |