Two-post three-shaft draw-works for well-drilling plant,申请号GB19300016333-传众专利搜索

首页产品黄页商标征信

会员服务注册登录

法人/股东/高管

发明名称	Two-post three-shaft draw-works for well-drilling plant
摘要
申请公布号	GB333295(A)	申请公布日期	1930.08.08
申请号	GB19300016333	申请日期	1929.03.08
申请人	EDWIN WALTER GOESER	发明人
分类号	A61G1/048;E21B3/06	主分类号	A61G1/048
代理机构		代理人
主权项
地址

您可能感兴趣的专利

DRAINAGE STRUCTURE OF VEHICULAR DOOR

Track crossing for a two track suspension railroad

Vertical refuse compactor

Gear shift mechanism

Apparatus for measuring fluid flow

Fluidic angular rate sensor employing ionized gas

Vehicle steering and front-end alignment defect detector

Sensor arrangement

Anchor rod, method of setting it in place and method of its manufacture

Dryer thermal efficiency

Remotely adjustable sighting device for tractors

Stabilized sighting devices for vehicles

Rotary printing machine, particularly newspaper-type offset printing machine

Method for recovering waste heat as motive power

Disposable garment shield and method of manufacture

Method and apparatus for the assembly of long objects on a rotating shaft

Plugging apparatus

Herbicidally active phenoxy- alpha -phenoxy-alkanecarboxylic acid derivatives

Manual knitting frame with support

Post-stretch water-dispersible subbing composition for polyester film base