Patents by Inventor Stephen N. Engelhard

Stephen N. Engelhard 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).

  • Filter and Frame Apparatus and Method of Use
    Publication number: 20240050636
    Abstract: Provided is a filter apparatus, comprising two or more filter cartridges having a first end with an inlet and screen and a second end with an outlet and screen, and walls to contain a filter media held in a housing for holding the two or more filter cartridges in about the same orientation, and an attachment clamp connected to the housing. Also provided is a housing for holding two or more filter cartridges in about the same orientation and a method of using the filter apparatus and housing.
    Type: Application
    Filed: October 24, 2023
    Publication date: February 15, 2024
    Applicant: Delcath Systems, Inc.
    Inventors: William M. Appling, Stephen N. Engelhard, Matthew G. Barton
  • Filter and frame apparatus and method of use
    Patent number: 11833286
    Abstract: Provided is a filter apparatus, comprising two or more filter cartridges having a first end with an inlet and screen and a second end with an outlet and screen, and walls to contain a filter media held in a housing for holding the two or more filter cartridges in about the same orientation, and an attachment clamp connected to the housing. Also provided is a housing for holding two or more filter cartridges in about the same orientation and a method of using the filter apparatus and housing.
    Type: Grant
    Filed: July 7, 2021
    Date of Patent: December 5, 2023
    Assignee: Delcath Systems, Inc.
    Inventors: William M. Appling, Stephen N. Engelhard, Matthew G. Barton
  • Filter and Frame Apparatus and Method of Use
    Publication number: 20210330875
    Abstract: Provided is a filter apparatus, comprising two or more filter cartridges having a first end with an inlet and screen and a second end with an outlet and screen, and walls to contain a filter media held in a housing for holding the two or more filter cartridges in about the same orientation, and an attachment clamp connected to the housing. Also provided is a housing for holding two or more filter cartridges in about the same orientation and a method of using the filter apparatus and housing.
    Type: Application
    Filed: July 7, 2021
    Publication date: October 28, 2021
    Applicant: Delcath Systems, Inc.
    Inventors: William M. Appling, Stephen N. Engelhard, Matthew G. Barton
  • Filter and frame apparatus and method of use
    Patent number: 11083831
    Abstract: Provided is a filter apparatus, comprising two or more filter cartridges having a first end with an inlet and screen and a second end with an outlet and screen, and walls to contain a filter media held in a housing for holding the two or more filter cartridges in about the same orientation, and an attachment clamp connected to the housing. Also provided is a housing for holding two or more filter cartridges in about the same orientation and a method of using the filter apparatus and housing.
    Type: Grant
    Filed: December 22, 2018
    Date of Patent: August 10, 2021
    Assignee: Delcath Systems, Inc.
    Inventors: William M. Appling, Stephen N. Engelhard, Matthew G. Barton
  • Filter and Frame Apparatus and Method of Use
    Publication number: 20190117872
    Abstract: Provided is a filter apparatus, comprising two or more filter cartridges having a first end with an inlet and screen and a second end with an outlet and screen, and walls to contain a filter media held in a housing for holding the two or more filter cartridges in about the same orientation, and an attachment clamp connected to the housing. Also provided is a housing for holding two or more filter cartridges in about the same orientation and a method of using the filter apparatus and housing.
    Type: Application
    Filed: December 22, 2018
    Publication date: April 25, 2019
    Applicant: Delcath Systems, Inc.
    Inventors: William M. Appling, Stephen N. Engelhard, Matthew G. Barton
  • Filter and frame apparatus and method of use
    Patent number: 10195334
    Abstract: Provided is a filter apparatus, comprising two or more filter cartridges having a first end with an inlet and screen and a second end with an outlet and screen, and walls to contain a filter media held in a housing for holding the two or more filter cartridges in about the same orientation, and an attachment clamp connected to the housing. Also provided is a housing for holding two or more filter cartridges in about the same orientation and a method of using the filter apparatus and housing.
    Type: Grant
    Filed: March 16, 2016
    Date of Patent: February 5, 2019
    Assignee: Delcath Systems, Inc.
    Inventors: William M. Appling, Stephen N. Engelhard, Matthew G. Barton
  • Filter and Frame Apparatus and Method of Use
    Publication number: 20160193401
    Abstract: Provided is a filter apparatus, comprising two or more filter cartridges having a first end with an inlet and screen and a second end with an outlet and screen, and walls to contain a filter media held in a housing for holding the two or more filter cartridges in about the same orientation, and an attachment clamp connected to the housing. Also provided is a housing for holding two or more filter cartridges in about the same orientation and a method of using the filter apparatus and housing.
    Type: Application
    Filed: March 16, 2016
    Publication date: July 7, 2016
    Applicant: Delcath Systems, Inc.
    Inventors: William M. Appling, Stephen N. Engelhard, Matthew G. Barton
  • Filter and frame apparatus and method of use
    Patent number: 9314561
    Abstract: Provided is a filter apparatus, comprising two or more filter cartridges having a first end with an inlet and screen and a second end with an outlet and screen, and walls to contain a filter media held in a housing for holding the two or more filter cartridges in about the same orientation, and an attachment clamp connected to the housing. Also provided is a housing for holding two or more filter cartridges in about the same orientation and a method of using the filter apparatus and housing.
    Type: Grant
    Filed: December 30, 2012
    Date of Patent: April 19, 2016
    Assignee: Delcath Systems, Inc.
    Inventors: William M. Appling, Stephen N. Engelhard, Matthew G. Barton