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
WELL TUBING HEATER SYSTEM
摘要
申请公布号
CA562816(A)
申请公布日期
1958.09.02
申请号
CAD562816
申请日期
申请人
SHELL DEVELOPMENT COMPANY
发明人
GRAFTON A. SMITH
分类号
主分类号
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Method for preparing test coverage analysis involves testing of a program with several threads of error, which results e.g. from lack of synchronization between the threads with an conflicting access on common resources
Twin-oven assembly to remove polymer binding agents and sinters metal components fabricated by mixture of metal powder
Method for casting light metal engine components includes forming protective coating of organic material forming a protective gas cushion on surface(s) of inorganic mold inserts to prevent interaction of the melt and insert surfaces
Program execution controlling method for computer, involves comparing elapse of time with specified interval, and executing subsequent incident when elapse of time equals or exceeds specified interval and condition is satisfied
Interactive communication system for mobile telecommunication device and data processing unit triggers process in data processing unit based on operational procedure on mobile telecommunication device
Variable valve gear has vacuum suppression control section which suppresses vacuum inside cylinder if it determines that both inlet valve and exhaust valve close at least after inlet top dead center position
Sheet-fed printing press, has varnishing unit coating ultraviolet-setting-type varnish on printed sheet, and rollers positioned at break state in relation to pressure cylinder for pressing hologram surface on sheet surface
Drive apparatus for LCD, has data conversion part that transforms triple-color source data into four-color source data using gain value, and timing controller that regulates gate drive and data drive based on multi-color source data
Gripper carries several gripper clamps on central middle part that can be moved by piston cylinder arrangements; dual plunger cylinders are used as piston-cylinder arrangements
Network to vehicle information transmission procedure uses SMS messages but sets up negotiated voice or data link if acknowledgement not received within a set time
Process to manufacture a forged piston by formation of a collar and folding over cooling channel
System for protecting saplings from twisting and stripping of bark comprises stake, against which sapling is grown, and which has flexible steel wires pushed through it to form star shape
Hydraulic control unit for ramming or extraction device has valve arrangement for opening clamping device, imbalance setting adjustment device to zero-amplitude before switching on vibrator by moving operating lever from null position
Reinforced concrete component e.g. reinforced concrete column, for constructing e.g. buildings, has reinforcement with one profile having flat section designed in the form of wire or strip, and longitudinal reinforcement made from bars
Process for the estimation of a spread code or code division multiple access signal in a satellite positioning system
Bioactive bone cement e.g. for implantation into bones, made by adding small amounts of polymerizable monomers containing anionic groups which cause cement surface to mineralize after being incubated in simulated body fluid
Building display system, has several display channels each providing a visual status-signalling display
DEVICES AND METHODS FOR TRACKING, LOCATING AND PROVIDING PROTECTION TO INDIVIDUALS
SYSTEM AND METHOD FOR MONITORING ALARMS AND RESPONDING TO THE MOVEMENT OF INDIVIDUALS AND ASSETS
NUCLEIC ACID DERIVATIVES HAVING PHENYLDIAZIRIDINE MOIETIES AND PROCESS FOR PRODUCTION THEREOF, NUCLEOTIDE DERIVATIVES HAVING PHENYLDIAZIRIDINE MOIETIES AND PROCESS FOR PRODUCTION THEREOF, METHOD FOR ANALYSIS OF PROTEIN, AND PROCESS FOR PREPARATION OF