首页
产品
黄页
商标
征信
会员服务
注册
登录
全部
|
企业名
|
法人/股东/高管
|
品牌/产品
|
地址
|
经营范围
发明名称
NEDSENKBART TESTVENTILTRE.
摘要
申请公布号
NO165258(C)
申请公布日期
1991.01.16
申请号
NO19850002441
申请日期
1985.06.17
申请人
OTIS ENG CO
发明人
SCHWENDEMANN KENNETH L
分类号
E21B;E21B34/04;(IPC1-7):E21B34/04
主分类号
E21B
代理机构
代理人
主权项
地址
您可能感兴趣的专利
CURABLE COMPOUND COMPRISING SILYLATED POLYURETHANE
USE AND METHODS OF USE FOR AN ANTAGONIST OF THE SEROTIN3 RECEPTOR (5-HT3) AND A SELECTIVE MODULATOR OF CHLORIDE CHANNELS FOR THE TREATMENT OF ADDICTION TO OR DEPENDENCE ON MEDICINES/DRUGS OR NERVOUS SYSTEM DISORDERS
Trampoline safety device
DOUBLE WISHBONES AND DOUBLE PIVOTS VEHICLE SUSPENSION SYSTEM
Barrier screen for use with controlled merchandise
IMPROVEMENTS IN INTERSECTING VANE MACHINES
INKJET INK, INKJET INK SET AND METHOD OF INKJET RECORDING
IMPROVED CHEMICAL IDENTIFICATION OF PEROXIDE-BASED EXPLOSIVES
BIO ACTIVE CERAMIC COATINGS WITH EXCELLENT BIO-COMPATIBILITY AND PREAPARATION METHOD THEREOF
HOME-NETWORK ERROR PREDICTION SYSTEM AND HOME-NETWORK FAULT ESTIMATION METHOD
Cold Brain Hot Foot Warm Water Heater
Method and apparatus for obtaining media over a communications network
Systems and methods for providing a token registry and encoder
Gas sensor arrangement
Damp proofing building component
Miltary target system
System to revolutionise electric vehicles
A weighted garment to be worn on the shoulders and torso
Methods
Method of detecting target object and target object detection device