发明名称 |
Tubing head |
摘要 |
|
申请公布号 |
US2001946(A) |
申请公布日期 |
1935.05.21 |
申请号 |
US19340757908 |
申请日期 |
1934.12.17 |
申请人 |
TSCHAPPAT SHERIDAN P |
发明人 |
TSCHAPPAT SHERIDAN P. |
分类号 |
E21B33/04 |
主分类号 |
E21B33/04 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|
您可能感兴趣的专利
Method and apparatus for controlling a mobile device
SECONDARY BATTERY
VALUE AND SECURITY DOCUMENT IN THE FORM OF A BOOK AND METHOD FOR PRODUCING SUCH A VALUE AND SECURITY DOCUMENT
Acoustically absorbing assembly
COMPOSITIONS FOR THE TREATMENT OF TIMBER AND OTHER WOOD SUBSTRATES
SPEED CONTROL FOR PATIENT HANDLING DEVICE
Heat pump interoperating hot water feeding apparatus
ORAL CARE IMPLEMENT HAVING A TURBINE-LIKE ARRANGEMENT OF CLEANING ELEMENTS
AQUEOUS RESIN COMPOSITION AND METHOD FOR PRODUCING SAME
INFUSION SET AND/OR PATCH PUMP HAVING AT LEAST ONE OF AN IN-DWELLING RIGID CATHETER WITH FLEXIBLE FEATURES AND/OR A FLEXIBLE CATHETER ATTACHMENT
DIFFUSION AGENT COMPOSITION, METHOD OF FORMING IMPURITY DIFFUSION LAYER, AND SOLAR CELL
AQUEOUS COATING LIQUID FOR AN ELECTRODE PLATE, ELECTRODE PLATE FOR AN ELECTRICAL STORAGE DEVICE, METHOD FOR MANUFACTURING AN ELECTRODE PLATE FOR AN ELECTRICAL STORAGE DEVICE, AND ELECTRICAL STORAGE DEVICE
SYSTEMS AND METHODS OF SECURING IMMUNITY TO AIR CO2 IN ALKALINE FUEL CELLS
CARBON NANOFIBER, METHOD FOR PRODUCTION THEREOF, METHOD FOR PRODUCTION OF CARBON FIBER COMPOSITE MATERIAL USING CARBON NANOFIBER, AND CARBON FIBER COMPOSITE MATERIAL
PROCESS FOR PRODUCTION OF L-AMINO ACID
Crosswound textile bobbin and apparatus to manufacture such a bobbin
Piezoelectric actuator
VEHICLE WITH AT LEAST ONE COOLANT CIRCUIT FOR COOLING OF A FUEL CELL SYSTEM
EXTERNAL COVERING FOR COFFINS, SARCOPHAGI, CINERARY URNS AND THE LIKE
ORGANIC LIGHT-EMITTING DIODE LUMINAIRES