Inventor · disambiguated record
Ronald J. Zdrojkowski
Also filed as: ZDROJKOWSKI RONALD · ZDROJKOWSKI RONALD J
17 granted patents·1 pending application·4,672 citations·filing 1974–2006
97Inventor score
Files withRESPIRONICS INC11RIC INVESTMENTS INC3CONTEMPORARY OCU FLO INC1ELECTRO TECHNICS INC1MEDRAD INC1
Top patents by PatentIndex Score
18 records- 0198US5148802AMethod and apparatus for maintaining airway patency to treat sleep apnea and other disordersRESPIRONICS INC·Filed 1989·Granted Sep 22, 1992·771 cites·26 claims
- 0297US7100607B2Breathing gas delivery method and apparatusRIC INVESTMENTS INC·Filed 2005·Granted Sep 5, 2006·169 cites·21 claims
- 0397US6305374B1Breathing gas delivery method and apparatusRESPIRONICS INC·Filed 2000·Granted Oct 23, 2001·231 cites·9 claims
- 0497US5632269ABreathing gas delivery method and apparatusRESPIRONICS INC·Filed 1994·Granted May 27, 1997·383 cites·11 claims
- 0596US6948497B2Breathing gas delivery method and apparatusRIC INVESTMENTS INC·Filed 2003·Granted Sep 27, 2005·206 cites·28 claims
- 0696US6539940B2Breathing gas delivery method and apparatusRESPIRONICS INC·Filed 2001·Granted Apr 1, 2003·242 cites·20 claims
- 0795US6029664ABreathing gas delivery method and apparatusRESPIRONICS INC·Filed 1997·Granted Feb 29, 2000·293 cites·12 claims
- 0895US5803065ABreathing gas delivery method and apparatusRESPIRONICS INC·Filed 1996·Granted Sep 8, 1998·296 cites·8 claims
- 0995US5433193ABreathing gas delivery method and apparatusRESPIRONICS INC·Filed 1992·Granted Jul 18, 1995·376 cites·64 claims
- 1095US5313937ALeak compensation method and apparatus for a breathing systemRESPIRONICS INC·Filed 1992·Granted May 24, 1994·351 cites·17 claims
- 1195US4006736AAngiographic injectorMEDRAD INC·Filed 1974·Granted Feb 8, 1977·432 cites·31 claims
- 1293US5937855AFlow regulating valve in a breathing gas delivery systemRESPIRONICS INC·Filed 1995·Granted Aug 17, 1999·194 cites·5 claims
- 1390US5685296AFlow regulating valve and methodRESPIRONICS INC·Filed 1995·Granted Nov 11, 1997·355 cites·3 claims
- 1481US4369785ASurgical fluid flow systemCONTEMPORARY OCU FLO INC·Filed 1980·Granted Jan 25, 1983·183 cites·10 claims
- 1574US4122843AElectrode system for a heart rate monitorELECTRO TECHNICS INC·Filed 1977·Granted Oct 31, 1978·70 cites·8 claims
- 1666US5878743APressure sensitive flow control valveRESPIRONICS INC·Filed 1996·Granted Mar 9, 1999·115 cites·25 claims
- 1752US2007044796A1Breathing gas delivery method and apparatusRIC INVESTMENTS INC·Filed 2006·Application pending·0 cites
- 1831US4087840AMethod and apparatus for magnetically recording and reproducing physiological informationUNIV CARNEGIE MELLON·Filed 1976·Granted May 2, 1978·5 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →