You're using a free limited version of DrugPatentWatch: Upgrade for Complete Access

Last Updated: December 12, 2025

Claims for Patent: 11,083,831


✉ Email this page to a colleague

« Back to Dashboard


Summary for Patent: 11,083,831
Title:Filter and frame apparatus and method of use
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.
Inventor(s):William M. Appling, Stephen N. Engelhard, Matthew G. Barton
Assignee: Delcath Systems Inc
Application Number:US16/231,486
Patent Claims: 1. A filter apparatus, comprising: two or more filter cartridges each filter cartridge comprising a first end with an inlet, and a first screen, a second end with an outlet and a second screen, and walls configured to contain a filter media and comprising a cartridge tube, wherein the outlet of each filter cartridge is connected to an outlet connector by an outlet flange; a housing comprising an upper plate and a lower plate oriented substantially parallel to each other and configured to hold the two or more filter cartridges in about the same orientation, the upper plate and the lower plate each defining two or more openings to which the two or more filter cartridges are rotatably coupled and wherein the outlet flange connected to each outlet connector extends through the two or more openings of the upper plate; and an attachment clamp connected to the housing.

2. The filter apparatus of claim 1, wherein the housing further comprises one or more support elements connecting the upper plate and the lower plate.

3. The filter apparatus of claim 2, wherein the attachment clamp is connected to one or more of the one or more support elements.

4. The filter apparatus of claim 2, wherein the one or more support elements comprise a combination of rods and support plates.

5. The filter apparatus of claim 1, wherein the attachment clamp is a pole clamp.

6. The filter apparatus of claim 1, wherein the cartridge tube is comprised of a transparent material selected from the group consisting of a polysulfone, a polycarbonate, a polypropylene and an acrylic.

7. The filter apparatus of claim 1, wherein the inlet includes an inlet connector.

8. The filter apparatus of claim 1, wherein the outlet flange is conical.

9. The filter apparatus of claim 1, wherein the inlet connector is connected to the cartridge tube by an inlet flange.

10. The filter apparatus of claim 1, wherein the filter media comprises activated carbon.

11. The filter apparatus of claim 1, wherein the filter media is hydrogel coated activated carbon.

12. The filter apparatus of claim 1, wherein the cartridge tube is a cylindrical shape.

13. 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; a housing comprising an upper and a lower plate for holding the two or more filter cartridges in about the same orientation, the upper plate and the lower plate comprising openings for rotatably engaging the two or more filter cartridges, and one or more support elements connecting the upper plate and the lower plate, and an attachment clamp connected to the housing.

14. The filter apparatus of claim 13, wherein the two or more filter cartridges extend through the openings of the upper plate and the lower plate.

15. The filter apparatus of claim 13, wherein the attachment clamp is an IV pole clamp.

16. The filter apparatus of claim 13, wherein the walls to contain the filter media comprise a cartridge tube.

17. The filter apparatus of claim 16, wherein the cartridge tube is transparent.

18. The filter apparatus of claim 13, wherein the inlet and outlet comprise an inlet connector and an outlet connector, the outlet connector is connected to the cartridge tube by a conical outlet flange.

19. The filter apparatus of claim 13, wherein the filter media comprises activated carbon.

20. The filter apparatus of claim 13, wherein the filter media is hydrogel coated activated carbon.

Make Better Decisions: Try a trial or see plans & pricing

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.