Tapered band width dead-end filters,申请号GB19390025601-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	Tapered band width dead-end filters
摘要
申请公布号	GB533929(A)	申请公布日期	1941.02.24
申请号	GB19390025601	申请日期	1939.09.11
申请人	HAZELTINE CORPORATION	发明人
分类号	H03H7/01	主分类号	H03H7/01
代理机构		代理人
主权项
地址

您可能感兴趣的专利

Microstrip microwave balun.

Process for regenerating the liquid absorbent used in drying a technical gas.

Retaining means for bowls in electric lighting fittings.

Storage area for storing horizontally spent nuclear fuel rods.

Flexible rope-shaped severing tool.

Control circuit for raster copier - has cyclic scanner for simplified programmer with continuously superimposed correction signals

Increasing tear resistance of spun bonded polyester nonwoven fabrics - by coating with mixt of chloroprene copolymer and butadiene!-acrylonitrile! copolymer

Anti jack-knife control for articulated vehicle - has radial vane hydraulic retarder on coupling pin

Mesh application between two sheaths of cable - has band mesh wrapped around warm extruded cable by former and second sheath extruded immediately

Mine mineral extracting machine spur rack sections - have interlocking U=shaped holder flange protrusions and bar recesses

Twin-belt drawing unit - has a fixed guide for one belt and a moving adjustable guide for the other belt

Door-open position fixing device - uses catch on door opening-adjacent wall engaging with handle of open door

Roller bearings distance piece system - uses separate distance pieces located between rollers with tongues which snap into ring grooves to permit easy assembly of bearing

Periodic movement generating mechanism - has travelling member with bodies compressing opposite sides of medium contg. hose

Arc welding process - involves vibrating the free end of a consumable electrode, within the space between two metal workpieces to be welded

Road roller mounted verge working appliance - has arm and cylinder unit swivelling within roller outline, and protruding tool

Hand held pencil sharpener - has grip stem rotated between index finger and thumb for complete revolution

Applicator machine for eyelet studs - has retaining tongs whose jaws ensure correct position of stud before stamping

Calibrating system for nickel phosphor thin film resistances - uses selectively applied heavy metal sulphate soln. as etching medium

Diffusion chromising of magnetically soft alloy articles - using controlled heating and cooling rates to give improved magnetic properties and non porous coating