Assignee
FISCHER GEORG ROHRLEITUNG
CH·37 granted patents·3 pending applications·722 citations·filing 1992–2014
Top patents by PatentIndex Score
40 records- 0192US5905207AProcess for measuring the flow rate of a fluidFISCHER GEORG ROHRLEITUNG·Filed 1997·Granted May 18, 1999·95 cites·2 claims
- 0289US5826613AFlow control valveFISCHER GEORG ROHRLEITUNG·Filed 1997·Granted Oct 27, 1998·75 cites·6 claims
- 0386US5975102AProcess and apparatus for detecting the limit level of liquids and bulk materialsFISCHER GEORG ROHRLEITUNG·Filed 1996·Granted Nov 2, 1999·62 cites·6 claims
- 0476US9255641B2Saddle for a branch connectionFISCHER GEORG ROHRLEITUNG·Filed 2014·Granted Feb 9, 2016·5 cites·12 claims
- 0576US5925830AElectromagnetic flowmeter constructionFISCHER GEORG ROHRLEITUNG·Filed 1996·Granted Jul 20, 1999·43 cites·1 claims
- 0675US5601315AMolded connector for branch connections for a pipelineFISCHER GEORG ROHRLEITUNG·Filed 1995·Granted Feb 11, 1997·45 cites·6 claims
- 0773US6007045AMembrane valve assemblyFISCHER GEORG ROHRLEITUNG·Filed 1998·Granted Dec 28, 1999·35 cites·12 claims
- 0870US5349751APipe cutoff apparatusFISCHER GEORG ROHRLEITUNG·Filed 1993·Granted Sep 27, 1994·32 cites·10 claims
- 0969USD455474SBall valveFISCHER GEORG ROHRLEITUNG·Filed 2001·Granted Apr 9, 2002·22 cites·1 claims
- 1065US7011291B2Handle for valvesFISCHER GEORG ROHRLEITUNG·Filed 2004·Granted Mar 14, 2006·15 cites·9 claims
- 1163US7731153B2Handle for valvesFISCHER GEORG ROHRLEITUNG·Filed 2006·Granted Jun 8, 2010·6 cites·9 claims
- 1262US6253791B1Ball valveFISCHER GEORG ROHRLEITUNG·Filed 1999·Granted Jul 3, 2001·24 cites·8 claims
- 1362US5706855ADevice for monitoring the valve stroke of a diaphragm valveFISCHER GEORG ROHRLEITUNG·Filed 1996·Granted Jan 13, 1998·24 cites·10 claims
- 1461US5685336ADevice for monitoring the valve lift of a diaphragm valveFISCHER GEORG ROHRLEITUNG·Filed 1995·Granted Nov 11, 1997·23 cites·8 claims
- 1560US5687996AMolded part made of thermoplastic materialFISCHER GEORG ROHRLEITUNG·Filed 1996·Granted Nov 18, 1997·22 cites·7 claims
- 1660US5205539ADiaphragm valveFISCHER GEORG ROHRLEITUNG·Filed 1992·Granted Apr 27, 1993·22 cites·39 claims
- 1759US5252810APart molded from thermoplastic materialFISCHER GEORG ROHRLEITUNG·Filed 1992·Granted Oct 12, 1993·25 cites·9 claims
- 1851US5674588AWelding sleeve for plastic pipeFISCHER GEORG ROHRLEITUNG·Filed 1994·Granted Oct 7, 1997·14 cites·2 claims
- 1950US5670012AElectrically weldable plastic fittingFISCHER GEORG ROHRLEITUNG·Filed 1995·Granted Sep 23, 1997·14 cites·6 claims
- 2050US5532459AWelding sleeve of thermoplastic materialFISCHER GEORG ROHRLEITUNG·Filed 1994·Granted Jul 2, 1996·15 cites·7 claims
- 2147US6722707B1Lapped flange for connecting pipes and method for producing such a lapped flangeFISCHER GEORG ROHRLEITUNG·Filed 2000·Granted Apr 20, 2004·5 cites·22 claims
- 2247US2013327436A1Flame-retardant plastics piping systemFISCHER GEORG ROHRLEITUNG·Filed 2013·Application pending·0 cites
- 2344US6198081B1Welding sleeve of thermoplastic material with indicatorFISCHER GEORG ROHRLEITUNG·Filed 1995·Granted Mar 6, 2001·13 cites·5 claims
- 2444US5632845AMethod for welding tubular partsFISCHER GEORG ROHRLEITUNG·Filed 1995·Granted May 27, 1997·13 cites·10 claims
- 2544US2013076022A1Pipe teeFISCHER GEORG ROHRLEITUNG·Filed 2012·Application pending·0 cites
- 2643US5255943AWelding sleeve and method for its manufactureFISCHER GEORG ROHRLEITUNG·Filed 1992·Granted Oct 26, 1993·13 cites·5 claims
- 2741US6045640AApparatus for butt welding of articles made of thermoplastic materialFISCHER GEORG ROHRLEITUNG·Filed 1998·Granted Apr 4, 2000·9 cites·14 claims
- 2841US5386101AMethod and apparatus for welding tubular partsFISCHER GEORG ROHRLEITUNG·Filed 1993·Granted Jan 31, 1995·10 cites·15 claims
- 2939US5557051ADevice for measuring the velocity of a fluid flowing in a flow channel of a conduitFISCHER GEORG ROHRLEITUNG·Filed 1994·Granted Sep 17, 1996·8 cites·8 claims
- 3038US5901945ATwo-way valve for pipelinesFISCHER GEORG ROHRLEITUNG·Filed 1997·Granted May 11, 1999·8 cites·5 claims
- 3138US5772824AProcess and means for welding corrugated tubes and/or compound tubes and weld connection produced therebyFISCHER GEORG ROHRLEITUNG·Filed 1995·Granted Jun 30, 1998·7 cites·18 claims
- 3233US6510598B2Clamping elementFISCHER GEORG ROHRLEITUNG·Filed 2001·Granted Jan 28, 2003·0 cites·24 claims
- 3332US5948190AMethod of monitoring the bulge temperature when welding plastic materials togetherFISCHER GEORG ROHRLEITUNG·Filed 1998·Granted Sep 7, 1999·4 cites·5 claims
- 3431US5622592AApparatus for welding shaped workpieces formed from a plastic materialFISCHER GEORG ROHRLEITUNG·Filed 1995·Granted Apr 22, 1997·4 cites·4 claims
- 3531US2008084059A1Pipe-connection moulded part having thermal insulation and method of producing the pipe-connection moulded partFISCHER GEORG ROHRLEITUNG·Filed 2007·Application pending·0 cites
- 3629US5246534AApparatus for end face welding of plastic partsFISCHER GEORG ROHRLEITUNG·Filed 1992·Granted Sep 21, 1993·4 cites·10 claims
- 3726US5476114AMethod of and apparatus for manufacturing of shaped workpieces formed from a plastic material, and a workpiece manufactured by the methodFISCHER GEORG ROHRLEITUNG·Filed 1994·Granted Dec 19, 1995·1 cites·3 claims
- 3823US6202673B1Valve self-piercing tapFISCHER GEORG ROHRLEITUNG·Filed 1996·Granted Mar 20, 2001·3 cites·7 claims
- 3923US5964482AConnection between a pipe and a moldingFISCHER GEORG ROHRLEITUNG·Filed 1997·Granted Oct 12, 1999·2 cites·7 claims
- 4021US7708321B2Pipe-connector molded part for pre-insulated pipe conduitsFISCHER GEORG ROHRLEITUNG·Filed 2003·Granted May 4, 2010·0 cites·8 claims
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