Ralph A. Chappa

Person

Ham Lake, MN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Apparatus and methods for coating medical devices
- Patent number 11,819,590
- Issue date Nov 21, 2023
- SurModics, Inc.
- Michael Militello
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Apparatus and methods for coating medical devices
- Patent number 11,628,466
- Issue date Apr 18, 2023
- SurModics, Inc.
- Ralph A. Chappa
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Coating systems for medical devices
- Patent number 11,478,815
- Issue date Oct 25, 2022
- SurModics, Inc.
- Ralph A. Chappa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Composition for intravascular delivery of therapeutic composition
- Patent number 11,318,204
- Issue date May 3, 2022
- SurModics, Inc.
- Ralph A. Chappa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method and apparatus for coating balloon catheters
- Patent number 11,090,469
- Issue date Aug 17, 2021
- SurModics, Inc.
- Ralph A. Chappa
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Apparatus and methods for coating medical devices
- Patent number 11,090,468
- Issue date Aug 17, 2021
- SurModics, Inc.
- Ralph A. Chappa
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Devices and methods for delivery of bioactive agents
- Patent number 11,027,049
- Issue date Jun 8, 2021
- SurModics, Inc.
- Ralph A. Chappa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Catheter assembly
- Patent number 10,596,355
- Issue date Mar 24, 2020
- SurModics, Inc.
- Ralph A. Chappa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Apparatus and methods for coating medical devices
- Patent number 10,507,309
- Issue date Dec 17, 2019
- SurModics, Inc.
- Ralph A. Chappa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method and apparatus for coating balloon catheters
- Patent number 10,238,844
- Issue date Mar 26, 2019
- SurModics, Inc.
- Ralph A. Chappa
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Lubricious medical device elements
- Patent number 10,124,088
- Issue date Nov 13, 2018
- SurModics, Inc.
- Ralph A. Chappa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Apparatus and methods for coating medical devices
- Patent number 10,099,041
- Issue date Oct 16, 2018
- SurModics, Inc.
- Ralph A. Chappa
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Devices and methods for delivery of bioactive agents
- Patent number 10,058,634
- Issue date Aug 28, 2018
- SurModics, Inc.
- Ralph A. Chappa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Apparatus and methods for coating medical devices
- Patent number 9,827,401
- Issue date Nov 28, 2017
- SurModics, Inc.
- Ralph A. Chappa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Coatings with crystallized active agent(s) and methods
- Patent number 9,795,720
- Issue date Oct 24, 2017
- SurModics, Inc.
- Ralph A. Chappa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Coatings with crystallized active agent(s) and methods
- Patent number 9,649,413
- Issue date May 16, 2017
- SurModics, Inc.
- Ralph A. Chappa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Apparatus and methods for coating medical devices
- Patent number 9,623,215
- Issue date Apr 18, 2017
- SurModics, Inc.
- Ralph A. Chappa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method and apparatus for coating balloon catheters
- Patent number 9,579,491
- Issue date Feb 28, 2017
- SurModics, Inc.
- Ralph A. Chappa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Advanced coating apparatus and method
- Patent number RE46251
- Issue date Dec 27, 2016
- SurModics, Inc.
- Ralph A. Chappa
Information Patent Grant
Coatings with crystallized active agent(s) and methods
- Patent number 9,427,501
- Issue date Aug 30, 2016
- SurModics, Inc.
- Ralph A. Chappa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Coating application system with shaped mandrel
- Patent number 9,364,349
- Issue date Jun 14, 2016
- SurModics, Inc.
- Ralph A. Chappa
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Apparatus and methods for coating medical devices
- Patent number 9,308,355
- Issue date Apr 12, 2016
- SurModies, Inc.
- Ralph A. Chappa
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Method and apparatus for coating balloon catheters
- Patent number 9,295,820
- Issue date Mar 29, 2016
- SurModics, Inc.
- Ralph A. Chappa
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Coating apparatus and methods
- Patent number 9,283,350
- Issue date Mar 15, 2016
- SurModics, Inc.
- Ralph A. Chappa
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Combination degradable and non-degradable matrices for active agent...
- Patent number 8,968,782
- Issue date Mar 3, 2015
- SurModics, Inc.
- Ralph A. Chappa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Catheter assembly with guard
- Patent number 8,961,457
- Issue date Feb 24, 2015
- SurModics, Inc.
- Ralph A. Chappa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Lipid coating for medical devices delivering bioactive agent
- Patent number 8,927,000
- Issue date Jan 6, 2015
- SurModics, Inc.
- Ralph A. Chappa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Coating composition
- Patent number 8,697,106
- Issue date Apr 15, 2014
- SurModics, Inc.
- Tim M. Kloke
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Beaded wound spacer device
- Patent number 8,685,421
- Issue date Apr 1, 2014
- SurModics, Inc.
- Tim M. Kloke
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Double wall catheter for delivering therapeutic agent
- Patent number 8,668,667
- Issue date Mar 11, 2014
- SurModics, Inc.
- Ralph A. Chappa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
MEDICAL DEVICE COATINGS WITH MICROCRYSTALLINE ACTIVE AGENTS
- Publication number 20230338623
- Publication date Oct 26, 2023
- SURMODICS, INC.
- Joram Slager
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
COATING APPLICATION SYSTEM AND METHODS FOR COATING ROTATABLE MEDICA...
- Publication number 20220219194
- Publication date Jul 14, 2022
- SURMODICS, INC.
- Ralph A. Chappa
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
COATING SYSTEMS FOR MEDICAL DEVICES
- Publication number 20210220866
- Publication date Jul 22, 2021
- SURMODICS, INC.
- Ralph A. Chappa
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
APPARATUS AND METHODS FOR COATING MEDICAL DEVICES
- Publication number 20200360572
- Publication date Nov 19, 2020
- SURMODICS, INC.
- Michael Militello
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
APPARATUS AND METHODS FOR COATING MEDICAL DEVICES
- Publication number 20200171531
- Publication date Jun 4, 2020
- SURMODICS, INC.
- Ralph A. Chappa
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
METHOD AND APPARATUS FOR COATING BALLOON CATHETERS
- Publication number 20190351200
- Publication date Nov 21, 2019
- SURMODICS, INC.
- Ralph A. Chappa
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
APPARATUS AND METHODS FOR COATING MEDICAL DEVICES
- Publication number 20190151629
- Publication date May 23, 2019
- SURMODICS, INC.
- Ralph A. Chappa
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
DEVICES AND METHODS FOR DELIVERY OF BIOACTIVE AGENTS
- Publication number 20180272040
- Publication date Sep 27, 2018
- SURMODICS, INC.
- Ralph A. Chappa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
APPARATUS AND METHODS FOR COATING MEDICAL DEVICES
- Publication number 20180036519
- Publication date Feb 8, 2018
- SURMODICS, INC.
- Ralph A. Chappa
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
METHOD AND APPARATUS FOR COATING BALLOON CATHETERS
- Publication number 20170157372
- Publication date Jun 8, 2017
- SURMODICS, INC.
- Ralph A. Chappa
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
COMPOSITION FOR INTRAVASCULAR DELIVERY OF THERAPEUTIC COMPOSITION
- Publication number 20170095559
- Publication date Apr 6, 2017
- SURMODICS, INC.
- Ralph A. Chappa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
COATINGS WITH CRYSTALLIZED ACTIVE AGENT(S) AND METHODS
- Publication number 20170007745
- Publication date Jan 12, 2017
- SURMODICS, INC.
- Ralph A. Chappa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
APPARATUS AND METHODS FOR COATING MEDICAL DEVICES
- Publication number 20160256668
- Publication date Sep 8, 2016
- SURMODICS, INC.
- Ralph A. Chappa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
LUBRICIOUS MEDICAL DEVICE ELEMENTS
- Publication number 20160089480
- Publication date Mar 31, 2016
- SURMODICS, INC.
- Ralph A. Chappa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
COATINGS WITH CRYSTALLIZED ACTIVE AGENT(S) AND METHODS
- Publication number 20150374886
- Publication date Dec 31, 2015
- SURMODICS, INC.
- Ralph A. Chappa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
METHOD AND APPARATUS FOR COATING BALLOON CATHETERS
- Publication number 20150174384
- Publication date Jun 25, 2015
- SURMODICS, INC.
- Ralph A. Chappa
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
Composition for Intravascular Delivery of Therapeutic Composition
- Publication number 20150165035
- Publication date Jun 18, 2015
- Surmodics, Inc.
- Ralph A. Chappa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
APPARATUS AND METHODS FOR COATING MEDICAL DEVICES
- Publication number 20140328998
- Publication date Nov 6, 2014
- SURMODICS, INC.
- Ralph A. Chappa
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
COATING APPARATUS AND METHODS
- Publication number 20140161964
- Publication date Jun 12, 2014
- SURMODICS, INC.
- Ralph A. Chappa
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
APPARATUS AND METHODS FOR COATING MEDICAL DEVICES
- Publication number 20140121597
- Publication date May 1, 2014
- SURMODICS, INC.
- Ralph A. Chappa
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
APPARATUS AND METHODS FOR COATING MEDICAL DEVICES
- Publication number 20130337147
- Publication date Dec 19, 2013
- Ralph A. Chappa
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
COMPOSITION FOR INTRAVASCULAR DELIVERY OF THERAPEUTIC COMPOSITION
- Publication number 20120172796
- Publication date Jul 5, 2012
- Ralph A. Chappa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
DOUBLE WALL CATHETER FOR DELIVERING THERAPEUTIC AGENT
- Publication number 20120172839
- Publication date Jul 5, 2012
- Ralph A. Chappa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
LIPID COATING FOR MEDICAL DEVICES DELIVERING BIOACTIVE AGENT
- Publication number 20120165786
- Publication date Jun 28, 2012
- Ralph A. Chappa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
COATINGS AND METHODS FOR CONTROLLED ELUTION OF HYDROPHILIC ACTIVE A...
- Publication number 20120100187
- Publication date Apr 26, 2012
- SURMODICS, INC.
- Ralph A. Chappa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
CATHETER ASSEMBLY WITH GUARD
- Publication number 20120083733
- Publication date Apr 5, 2012
- Ralph A. Chappa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
COATING COMPOSITION
- Publication number 20120021038
- Publication date Jan 26, 2012
- SURMODICS, INC.
- Tim M. Kloke
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
METHODS AND REAGENTS FOR PREPARING BIOMOLECULE-CONTAINING COATINGS
- Publication number 20120010707
- Publication date Jan 12, 2012
- Toni M. Heyer
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
CATHETER ASSEMBLY
- Publication number 20120004605
- Publication date Jan 5, 2012
- Ralph A. Chappa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
REAGENT AND METHOD FOR PROVIDING COATINGS ON SURFACES
- Publication number 20120004339
- Publication date Jan 5, 2012
- SURMODICS, INC.
- Ralph A. Chappa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Ralph A. Chappa

Person

Patents Grantslast 30 patents

Apparatus and methods for coating medical devices

Apparatus and methods for coating medical devices

Coating systems for medical devices

Composition for intravascular delivery of therapeutic composition

Method and apparatus for coating balloon catheters

Apparatus and methods for coating medical devices

Devices and methods for delivery of bioactive agents

Catheter assembly

Apparatus and methods for coating medical devices

Method and apparatus for coating balloon catheters

Lubricious medical device elements

Apparatus and methods for coating medical devices

Devices and methods for delivery of bioactive agents

Apparatus and methods for coating medical devices

Coatings with crystallized active agent(s) and methods

Coatings with crystallized active agent(s) and methods

Apparatus and methods for coating medical devices

Method and apparatus for coating balloon catheters

Advanced coating apparatus and method

Coatings with crystallized active agent(s) and methods

Coating application system with shaped mandrel

Apparatus and methods for coating medical devices

Method and apparatus for coating balloon catheters

Coating apparatus and methods

Combination degradable and non-degradable matrices for active agent...

Catheter assembly with guard

Lipid coating for medical devices delivering bioactive agent

Coating composition

Beaded wound spacer device

Double wall catheter for delivering therapeutic agent

Patents Applicationslast 30 patents

MEDICAL DEVICE COATINGS WITH MICROCRYSTALLINE ACTIVE AGENTS

COATING APPLICATION SYSTEM AND METHODS FOR COATING ROTATABLE MEDICA...

COATING SYSTEMS FOR MEDICAL DEVICES

APPARATUS AND METHODS FOR COATING MEDICAL DEVICES

APPARATUS AND METHODS FOR COATING MEDICAL DEVICES

METHOD AND APPARATUS FOR COATING BALLOON CATHETERS

APPARATUS AND METHODS FOR COATING MEDICAL DEVICES

DEVICES AND METHODS FOR DELIVERY OF BIOACTIVE AGENTS

APPARATUS AND METHODS FOR COATING MEDICAL DEVICES

METHOD AND APPARATUS FOR COATING BALLOON CATHETERS

COMPOSITION FOR INTRAVASCULAR DELIVERY OF THERAPEUTIC COMPOSITION

COATINGS WITH CRYSTALLIZED ACTIVE AGENT(S) AND METHODS

APPARATUS AND METHODS FOR COATING MEDICAL DEVICES

LUBRICIOUS MEDICAL DEVICE ELEMENTS

COATINGS WITH CRYSTALLIZED ACTIVE AGENT(S) AND METHODS

METHOD AND APPARATUS FOR COATING BALLOON CATHETERS

Composition for Intravascular Delivery of Therapeutic Composition

APPARATUS AND METHODS FOR COATING MEDICAL DEVICES

COATING APPARATUS AND METHODS

APPARATUS AND METHODS FOR COATING MEDICAL DEVICES

APPARATUS AND METHODS FOR COATING MEDICAL DEVICES

COMPOSITION FOR INTRAVASCULAR DELIVERY OF THERAPEUTIC COMPOSITION

DOUBLE WALL CATHETER FOR DELIVERING THERAPEUTIC AGENT

LIPID COATING FOR MEDICAL DEVICES DELIVERING BIOACTIVE AGENT

COATINGS AND METHODS FOR CONTROLLED ELUTION OF HYDROPHILIC ACTIVE A...

CATHETER ASSEMBLY WITH GUARD

COATING COMPOSITION

METHODS AND REAGENTS FOR PREPARING BIOMOLECULE-CONTAINING COATINGS

CATHETER ASSEMBLY

REAGENT AND METHOD FOR PROVIDING COATINGS ON SURFACES