Inventor · disambiguated record
Johann Springer
Also filed as: SPRINGER JOHANN · SPRINGER JOHANN B
11 granted patents·784 citations·filing 1985–2001
93Inventor score
Top patents by PatentIndex Score
11 records- 0196US5862866ADouble walled insulated tubing and method of installing sameROXWELL INT LTD·Filed 1995·Granted Jan 26, 1999·235 cites·21 claims
- 0293US4842082AVariable outside diameter tool for use in pikewellsSMITH INT NORTH SEA·Filed 1987·Granted Jun 27, 1989·180 cites·25 claims
- 0389US5012863APipe milling tool blade and method of dressing sameSMITH INTERNATIONAL·Filed 1989·Granted May 7, 1991·92 cites·24 claims
- 0489US5010955ACasing mill and methodSMITH INTERNATIONAL·Filed 1990·Granted Apr 30, 1991·129 cites·26 claims
- 0583US4710074ACasing millSMITH INTERNATIONAL·Filed 1985·Granted Dec 1, 1987·67 cites·16 claims
- 0662US5783368AMethod of forming conductive paths on a substrate containing depressionsALCATEL NV·Filed 1995·Granted Jul 21, 1998·34 cites·9 claims
- 0760US5352566AMethod of manufacturing optoelectronic componentsALCATEL NV·Filed 1993·Granted Oct 4, 1994·25 cites·8 claims
- 0846US4766445AElectrode array for a print headALCATEL NV·Filed 1987·Granted Aug 23, 1988·6 cites·5 claims
- 0939US7040422B2Drill string memberSPRINGER JOHANN·Filed 2001·Granted May 9, 2006·7 cites·12 claims
- 1037US4899223AElectrode array for an electrooptical facsimile recorder and method of controlling said electrode arrayALCATEL NV·Filed 1988·Granted Feb 6, 1990·6 cites·26 claims
- 1129US5246733AMethod of producing optical waveguides on a substrateALCATEL NV·Filed 1992·Granted Sep 21, 1993·3 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →