Patents by Inventor Richard M. Keenan
Richard M. Keenan has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11964144Abstract: A method of coupling components of a catheter pump assembly includes providing an elongate polymeric tubular body having a proximal end and a distal end, and also providing a metallic tubular body having a proximal portion and a distal portion. The method further includes positioning a mechanical interface having a first interface zone and a second interface zone such that the first interface zone is disposed over a portion of the elongate polymeric tubular body adjacent to the distal end thereof. The method also includes flowing the polymer into the first interface zone, whereby the elongate polymeric tubular body becomes joined with the first interface zone of the mechanical interface, and coupling the metallic tubular body with the second interface zone of the mechanical interface.Type: GrantFiled: February 12, 2021Date of Patent: April 23, 2024Assignee: TC1 LLCInventors: Richard L. Keenan, Keif M. Fitzgerald, Veronica J. Neiman, Phyllis Yuen
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Patent number: 11964119Abstract: A catheter pump includes a catheter body having at least one lumen therethrough, and comprising a distal end and a proximal end. An expandable impeller assembly includes an expandable impeller and an expandable cannula coupled to the distal end of the catheter body and housing the expandable impeller, the expandable cannula comprising a substantially straight segment having a distal inlet and a proximal outlet, the substantially straight segment configured to straddle an aortic valve. The catheter body comprises a proximal vessel contact zone and a distal vessel contact zone that are each proximal to the substantially straight segment, the proximal vessel contact zone and distal vessel contact zone configured to provide a force against an aortic arch to stabilize the expandable impeller assembly across the aortic valve.Type: GrantFiled: February 18, 2021Date of Patent: April 23, 2024Assignee: TC1 LLCInventors: Richard L. Keenan, Keif M. Fitzgerald, Veronica J. Neiman, Phyllis Yuen
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Patent number: 11944802Abstract: A catheter pump is disclosed herein. The catheter pump can include a catheter assembly that comprises a drive shaft and an impeller coupled to a distal end of the drive shaft. A driven assembly can be coupled to a proximal end of the drive shaft within a driven assembly housing. The catheter pump can also include a drive system that comprises a motor and a drive magnet coupled to an output shaft of the motor. The drive system can include a drive assembly housing having at least one magnet therein. Further, a securement device can be configured to prevent disengagement of the driven assembly housing from the drive assembly housing during operation of the pump.Type: GrantFiled: November 30, 2020Date of Patent: April 2, 2024Assignee: TC1 LLCInventors: Adam R. Tanner, Richard L. Keenan, Doug M. Messner, Michael R. Butler
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Patent number: 11944801Abstract: A catheter pump is disclosed herein. The catheter pump can include a catheter assembly that comprises a drive shaft and an impeller coupled to a distal end of the drive shaft. A driven assembly can be coupled to a proximal end of the drive shaft within a driven assembly housing. The catheter pump can also include a drive system that comprises a motor and a drive magnet coupled to an output shaft of the motor. The drive system can include a drive assembly housing having at least one magnet therein. Further, a securement device can be configured to prevent disengagement of the driven assembly housing from the drive assembly housing during operation of the pump.Type: GrantFiled: November 30, 2020Date of Patent: April 2, 2024Assignee: TC1 LLCInventors: Adam R. Tanner, Richard L. Keenan, Doug M. Messner, Michael R. Butler
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Patent number: 11925797Abstract: A catheter pump is disclosed herein. The catheter pump can include a catheter assembly that comprises a drive shaft and an impeller coupled to a distal end of the drive shaft. A driven assembly can be coupled to a proximal end of the drive shaft within a driven assembly housing. The catheter pump can also include a drive system that comprises a motor and a drive magnet coupled to an output shaft of the motor. The drive system can include a drive assembly housing having at least one magnet therein. Further, a securement device can be configured to prevent disengagement of the driven assembly housing from the drive assembly housing during operation of the pump.Type: GrantFiled: November 30, 2020Date of Patent: March 12, 2024Assignee: TC1 LLCInventors: Adam R. Tanner, Richard L Keenan, Doug M. Messner, Michael R. Butler
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Patent number: 11925796Abstract: A catheter pump is disclosed herein. The catheter pump can include a catheter assembly that comprises a drive shaft and an impeller coupled to a distal end of the drive shaft. A driven assembly can be coupled to a proximal end of the drive shaft within a driven assembly housing. The catheter pump can also include a drive system that comprises a motor and a drive magnet coupled to an output shaft of the motor. The drive system can include a drive assembly housing having at least one magnet therein. Further, a securement device can be configured to prevent disengagement of the driven assembly housing from the drive assembly housing during operation of the pump.Type: GrantFiled: November 30, 2020Date of Patent: March 12, 2024Assignee: TC1 LLCInventors: Adam R. Tanner, Richard L. Keenan, Doug M. Messner, Michael R. Butler
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Patent number: 11649237Abstract: Provided herein, inter alia, are substituted imidazo[1,5-?]pyrazine compounds, compositions and methods for treating or preventing an IRE1?-related disease or disorder. In certain embodiments, the disease or disorder is selected from the group consisting of a neurodegenerative disease, a demyelinating disease, cancer, an eye disease, a fibrotic disease, and diabetes.Type: GrantFiled: August 31, 2018Date of Patent: May 16, 2023Assignees: Optikira LLC, The Regents of the University of CaliforniaInventors: Richard M. Keenan, Bradley J. Backes, Dustin J. Maly, Charles Reynolds, Ben Whittaker, Jamie Knight, Jonathan Mark Sutton, George Hynd, Feroz R. Papa, Scott A. Oakes
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Publication number: 20200354367Abstract: The present invention provides novel compounds, compositions and methods for treating or preventing an IRE1?-related disease or disorder. In certain embodiments, the disease or disorder is selected from the group consisting of a neurodegenerative disease, a demyelinating disease, cancer, an eye disease, a fibrotic disease, and diabetes.Type: ApplicationFiled: August 31, 2018Publication date: November 12, 2020Inventors: Richard M. Keenan, Bradley J. Backes, Dustin J. Maly, Charles Reynolds, Ben Whittaker, Jamie Knight, Jon Sutton, George Hynd, Feroz R. Papa, Scott A. Oakes
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Publication number: 20190100534Abstract: Cephem and penem compounds having a styrylmethylene moiety at the 3-position in the cephem or penem ring to which a positively charged leaving group is bonded and wherein the leaving group contains a vicinal diol or is bonded to a unsubstituted or substituted catechol. The leaving group can be a positively charge nitrogen leaving group. Cephems include cephalosporins, cephamycins, carbacephems, and oxacephems. Penems include penems, carbapenems and oxapenems. Preferred cephems are cephalosporins. Preferred penems are carbapenems. Compounds exhibit antibiotic activity against Gram-negative bacteria and/or Gram-positive bacteria. Compounds exhibit antibiotic activity against bacteria which exhibit multi-drug resistance. Compounds of the invention exhibit antibiotic activity against bacterial strains which produce extended spectrum beta-lactamases (ESBL), which produce AmpC beta-lactamases or which produce a carbapenemase.Type: ApplicationFiled: October 4, 2018Publication date: April 4, 2019Inventors: Larry D. SUTTON, Robert ZAMBONI, Patrick BUREAU, Avid HASSANPOUR, Laura MAMANI LAPARRA, Marc VIDAL, Simon WOO, Nancy ZHOU, Richard M. KEENAN
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Publication number: 20070249702Abstract: The present invention features calcilytic compounds. “Calcilytic compounds” refer to compounds able to inhibit calcium receptor activity. Also described are the use of calcilytic compounds to inhibit calcium receptor activity and/or achieve a beneficial effect in a patient; and techniques which can be used to obtain additional calcilytic compounds.Type: ApplicationFiled: January 30, 2007Publication date: October 25, 2007Inventors: Eric G. Del Mar, Robert M. Barmore, Derek Sheehan, Bradford C. Van Wagenen, James F. Callahan, Richard M. Keenan, Nikesh R. Kotecha, Maria Amparo Lago, Linda Sue Southall, Mervyn Thompson
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Patent number: 7202261Abstract: The present invention features calcilytic compounds. “Calcilytic compounds” refer to compounds able to inhibit calcium receptor activity. Also described are the use of calcilytic compounds to inhibit calcium receptor activity and/or achieve a beneficial effect in a patient; and techniques which can be used to obtain additional calcilytic compounds.Type: GrantFiled: July 21, 2004Date of Patent: April 10, 2007Assignee: NPS Pharmaceuticals, Inc.Inventors: Eric G. Del Mar, Robert M. Barmore, Derek Sheehan, Bradford C. Van Wagenen, James F. Callahan, Richard M. Keenan, Nikesh R. Kotecha, Maria Amparo Lago, Linda Sue Southall, Mervyn Thompson
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Patent number: 6818660Abstract: The present invention features calcilytic compounds. “Calcilytic compounds” refer to compounds able to inhibit calcium receptor activity. Also described are the use of calcilytic compounds to inhibit calcium receptor activity and/or achieve a beneficial effect in a patient; and techniques which can be used to obtain additional calcilytic compounds.Type: GrantFiled: October 19, 2001Date of Patent: November 16, 2004Assignee: NPS Pharmaceuticals, Inc.Inventors: Eric G. Del Mar, Robert M. Barmore, Derek Sheehan, Bradford C. Van Wagenen, James F. Callahan, Richard M. Keenan, Nikesh R. Kotecha, Maria Amparo Lago, Linda Sue Southall, Mervyn Thompson
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Patent number: 6521667Abstract: The present invention features calcilytic compounds. “Calcilytic compounds” refer to compounds able to inhibit calcium receptor activity. Also described are the use of calcilytic compounds to inhibit calcium receptor activity and/or achieve a beneficial effect in a patient; and techniques which can be used to obtain additional calcilytic compounds.Type: GrantFiled: August 11, 1998Date of Patent: February 18, 2003Assignees: NPS Pharmaceuticals, Inc., SmithKline Beecham, PLC, SmithKline Beecham, Corp.Inventors: Eric G. Del Mar, Robert M. Barmore, Derek Sheehan, Bradford C. Van Wagenen, James F. Callahan, Richard M. Keenan, Nikesh R. Kotecha, Maria Amparo Lago, Linda Sue Southall, Mervyn Thompson
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Patent number: 6432656Abstract: The present invention features calcilytic compounds. “calcilytic compounds” refer to compounds able to inhibit calcium receptor activity. Also described are the use of calcilytic compounds to inhibit calcium receptor activity and/or achieve a beneficial effect in a patient; and techniques which can be used to obtain additional calcilytic compounds.Type: GrantFiled: August 6, 1999Date of Patent: August 13, 2002Assignee: NPS Pharmaceuticals, Inc.Inventors: Eric G. Del Mar, Robert M. Barmore, Derek Sheehan, Bradford C. Van Wagenen, James F. Callahan, Richard M. Keenan, Nikesh R. Kotecha, Maria Amparo Lago, Linda Sue Southall, Mervyn Thompson
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Publication number: 20020099220Abstract: The present invention features calcilytic compounds. “Calcilytic compounds” refer to compounds able to inhibit calcium receptor activity. Also described are the use of calcilytic compounds to inhibit calcium receptor activity and/or achieve a beneficial effect in a patient; and techniques which can be used to obtain additional calcilytic compounds.Type: ApplicationFiled: October 19, 2001Publication date: July 25, 2002Applicant: NPS Pharmaceuticals, Inc.Inventors: Eric G. Del Mar, Robert M. Barmore, Derek Sheehan, Bradford C. Van Wagenen, James F. Callahan, Richard M. Keenan, Nikesh R. Kotecha, Maria Amparo Lago, Linda Sue Southall, Mervyn Thompson
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Publication number: 20010034445Abstract: Compounds of formula (I) are disclosed which are vitronectin receptor antagonists useful in the treatment of osteoporosis.Type: ApplicationFiled: January 24, 2001Publication date: October 25, 2001Applicant: SmithKline Beecham CorporationInventors: Fadia E. Ali, William E. Bondinell, Richard M. Keenan, Thomas Wen-Fu Ku, William H. Miller, James Samanen
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Publication number: 20010007877Abstract: Novel anti-infectives and methods of using them are provided.Type: ApplicationFiled: November 10, 1999Publication date: July 12, 2001Inventors: GEORGE O. BURTON, RICHARD M. KEENAN, STEVEN D. KNIGHT, LANCE H. RIDGERS
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Patent number: 6159964Abstract: Compounds of formula (I) are disclosed, wherein: A is a fibrinogen antagonist template; W is a linking moiety of the form --(CHR.sup.g).sub.a --U--(CHR.sup.g).sub.b --V--; Q.sup.1, Q.sup.2, Q.sup.3 and Q.sup.4 are independently N or C--R.sup.y, provided that no more than one Q.sup.1, Q.sup.2, Q.sup.3 and Q.sup.4 is N; R' is H or C.sub.1-6 alkyl, C.sub.3-7 cycloalkyl-C.sub.0-6 -alkyl or Ar--C.sub.0-6 alkyl; R.sup.g is H or C.sub.1-6 alkyl, Het-C.sub.0-6 alkyl, C.sub.3-7 cycloalkyl-C.sub.0-6 alkyl or Ar--C.sub.0-6 alkyl; R.sup.k is R.sup.g, --C(O)R.sup.g or --C(O)OR.sup.g R.sup.i is H, C.sub.1-6 alkyl, Het-C.sub.0-6 alkyl, C.sub.3-7 cycloalkyl-C.sub.0-6 alkyl, Ar--C.sub.0-6 alkyl, Het-C.sub.0-6 alkyl--U'--C.sub.1-6 alkyl, C.sub.3-7 cycloalkyl-C.sub.0-6 alkyl--U'--C.sub.1-6 alkyl or Ar--C.sub.0-6 alkyl--U'--C.sub.1-6 alkyl; R.sup.y is H, halo, --OR.sup.g, --SR.sup.g, --CN, --NR.sup.g R.sup.k, --NO.sub.2, --CF.sub.3, CF.sub.3 S(O).sub.r, --CO.sub.2 R.sup.g, --COR.sup.g or --CONR.sup.g.sub.2, or C.sub.Type: GrantFiled: July 27, 1999Date of Patent: December 12, 2000Assignee: SmithKline Beecham CorporationInventors: Fadia E. Ali, William E. Bondinell, Richard M. Keenan, Thomas Wen-Fu Ku, William H. Miller, James Samanen
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Patent number: 6022894Abstract: The present invention features calcilytic compounds. "Calcilytic compounds" refer to compounds able to inhibit calcium receptor activity. Also described are the use of calcilytic compounds to inhibit calcium receptor activity and/or achieve a beneficial effect in a patient; and techniques which can be used to obtain additional calcilytic compounds.Type: GrantFiled: April 4, 1997Date of Patent: February 8, 2000Assignees: NPS Pharmaceuticals, Inc., SmithKline Beecham, Corp., SmithKline Beecham, PLCInventors: Eric G. Del Mar, Robert M. Barmore, Derek Sheehan, Bradford C. Van Wagenen, James F. Callahan, Richard M. Keenan, Nikesh R. Kotecha, Maria Amparo Lago, Linda Sue Southall, Mervyn Thompson
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Patent number: 5418250Abstract: Angiotensin II receptor antagonists having the formula: ##STR1## which are useful in regulating hypertension and in the treatment of congestive heart failure, renal failure, and glaucoma, pharmaceutical compositions including these antagonists, and methods of using these compounds to produce angiotensin II receptor antagonism in mammals.Type: GrantFiled: June 14, 1993Date of Patent: May 23, 1995Assignee: SmithKline Beecham CorporationInventors: Joseph A. Finkelstein, Richard M. Keenan, Joseph Weinstock