Inventor
ASH STEPHEN R
US56 patents
⚠️ This page may combine multiple inventors who share the name “ASH STEPHEN R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ASH STEPHEN R
8 patentsUS4914819AApr 10, 1990
Eating utensil for indicating when food may be eaten therewith and a method for using the utensil
ASH STEPHEN R109 citations96
US8677694B2Mar 25, 2014
Roof deflector system
ASH STEPHEN R24 citations86
US8945936B2Feb 3, 2015
Measuring chemical properties of a sample fluid in dialysis systems
ASH STEPHEN R13 citations84
US8845590B2Sep 30, 2014
Catheter with distal diffuser
ASH STEPHEN R10 citations84
US8409864B2Apr 2, 2013
Ammonia sensor and system for use
ASH STEPHEN R18 citations84
US9629368B2Apr 25, 2017
Antimicrobial compositions and methods of use
ASH STEPHEN R5 citations82
US8389583B2Mar 5, 2013
Antimicrobial compositions and methods of use
ASH STEPHEN R5 citations82
US8226971B2Jul 24, 2012
Catheter lock solution comprising citrate and a paraben
ASH STEPHEN R7 citations82
RENAL SOLUTIONS INC
7 patentsUS7273465B2Sep 25, 2007
Device and methods for body fluid flow control in extracorporeal fluid treatments
RENAL SOLUTIONS INC189 citations99
US6409699B1Jun 25, 2002
Continuous flow-through peritoneal dialysis (CFPD) method with control of intraperitoneal pressure
RENAL SOLUTIONS INC229 citations99
US7981280B2Jul 19, 2011
Recirculation of blood in an extracorporeal blood treatment system
RENAL SOLUTIONS INC72 citations97
US7713226B2May 11, 2010
On demand and post-treatment delivery of saline to a dialysis patient
RENAL SOLUTIONS INC55 citations97
US7947179B2May 24, 2011
Dialysis system
RENAL SOLUTIONS INC121 citations96
US7776210B2Aug 17, 2010
Dialysis system
RENAL SOLUTIONS INC142 citations96
US7998101B2Aug 16, 2011
Devices and methods for body fluid flow control in extracorporeal fluid treatment
RENAL SOLUTIONS INC54 citations94
HEMOCLEANSE INC
7 patentsUS6190349B1Feb 20, 2001
Splittable multiple catheter assembly and methods for inserting the same
HEMOCLEANSE INC415 citations99
US5947953ASep 7, 1999
Splittable multiple catheter assembly and methods of inserting the same
HEMOCLEANSE INC523 citations99
US5919369AJul 6, 1999
Hemofiltration and plasmafiltration devices and methods
HEMOCLEANSE INC437 citations99
US5906978AMay 25, 1999
Method for iron delivery to a patient by transfer from dialysate
HEMOCLEANSE INC127 citations99
US5536412AJul 16, 1996
Hemofiltration and plasmafiltration devices and methods
HEMOCLEANSE INC292 citations99
US5277820AJan 11, 1994
Device and method for extracorporeal blood treatment
HEMOCLEANSE INC275 citations99
US6841172B1Jan 11, 2005
Method for iron delivery to a patient by transfer from dialysate
HEMOCLEANSE INC70 citations98
ASH MEDICAL SYSTEMS INC
7 patentsUS5322519AJun 21, 1994
Foldable catheter for peritoneal dialysis
ASH MEDICAL SYSTEMS INC155 citations99
US4661246AApr 28, 1987
Dialysis instrument with dialysate side pump for moving body fluids
ASH MEDICAL SYSTEMS INC471 citations99
US4854322AAug 8, 1989
Capillary filtration and collection device for long-term monitoring of blood constituents
ASH MEDICAL SYSTEMS INC840 citations97
US4777953AOct 18, 1988
Capillary filtration and collection method for long-term monitoring of blood constituents
ASH MEDICAL SYSTEMS INC886 citations97
US6042561AMar 28, 2000
Non-intravascular infusion access device
ASH MEDICAL SYSTEMS INC217 citations96
US5002054AMar 26, 1991
Interstitial filtration and collection device and method for long-term monitoring of physiological constituents of the body
ASH MEDICAL SYSTEMS INC836 citations96
US4995268AFeb 26, 1991
Method and apparatus for determining a rate of flow of blood for an extracorporeal blood therapy instrument
ASH MEDICAL SYSTEMS INC254 citations94
PURDUE RESEARCH FOUNDATION
6 patentsUS4581141AApr 8, 1986
Dialysis material and method for removing uremic substances
PURDUE RESEARCH FOUNDATION342 citations99
US4368737AJan 18, 1983
Implantable catheter
PURDUE RESEARCH FOUNDATION170 citations99
US4348283ASep 7, 1982
Reciprocating dialyzer having spacers
PURDUE RESEARCH FOUNDATION71 citations96
US4498902AFeb 12, 1985
Catheter guide
PURDUE RESEARCH FOUNDATION213 citations95
US4559039ADec 17, 1985
Permanently placed transcutaneous access device to blood vessels
PURDUE RESEARCH FOUNDATION110 citations91
US4071444AJan 31, 1978
Portable chemical reactor for use as an artificial kidney
PURDUE RESEARCH FOUNDATION90 citations89
ASH ACCESS TECHNOLOGY INC
3 patentsUS6958049B1Oct 25, 2005
Method of enhancing catheter patency using a citrate salt catheter lock solution
ASH ACCESS TECHNOLOGY INC92 citations97
US7749529B2Jul 6, 2010
Catheter lock solution comprising citrate and a paraben
ASH ACCESS TECHNOLOGY INC28 citations89
US9011897B2Apr 21, 2015
Catheter lock solution comprising citrate and a paraben
ASH ACCESS TECHNOLOGY INC10 citations81
VIACIRQ INC
2 patentsBIOTEK INC
2 patentsHEMOCLEANSE TECHNOLOGIES LLC
1 patentHEMOTHERM INC
1 patentJANIN GROUP INC
1 patentWILLO PARTNERS
1 patentIDT INC
1 patentHANDT ALAN E
1 patentAAT CATHETER TECHNOLOGIES LLC
1 patentFRESENIUS MEDICAL CARE HOLDINGS INC
1 patentShowing the top 50 of 56 patents by PatentIndex Score.