Patents Assigned to Ritter GmbH
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Patent number: 11835139Abstract: A self-sealing and self-centering piston has a domed piston plate and a substantially cylindrical skirt section. The skirt section joins the rear of the piston plate. A gap having a depth is formed between a first portion of the skirt section and a front lamella. A rear lamella adjoins the front lamella. In addition, a second section of the skirt section has a first seal and a second seal.Type: GrantFiled: February 28, 2022Date of Patent: December 5, 2023Assignee: Ritter GmbHInventors: Stephan Schatz, Sebastian Kertzscher, Oliver Wolf, Frank Finis
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Patent number: 10232100Abstract: A dialysis concentrate container for single-use, comprising a container portion (1, 2) which can be filled with dialysis concentrate and a connecting portion (13, 3) connected thereto for connecting the dialysis concentrate container to a dialysis machine, wherein the connecting portion (13, 3) has laterally spaced fluid connection elements (31) for connecting to a fluid outlet and a fluid inlet of the dialysis machine, wherein the container body (1, 2) is formed as a rigid box, wherein the connecting portion (13, 3) is further arranged at the lower end of the container body, wherein the connecting portion (13, 3) is formed by a plate body which can be clamped into a connecting block of the dialysis machine, and on the underside of which the fluid connecting elements (31) are formed, one of which being connected to a fluid inlet of the container body (1) and the other one being connected to a fluid outlet thereof.Type: GrantFiled: May 11, 2016Date of Patent: March 19, 2019Assignee: Ritter GmbHInventor: Frank Ritter
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Publication number: 20180117230Abstract: A dialysis concentrate container for single-use, comprising a container portion (1, 2) which can be filled with dialysis concentrate and a connecting portion (13, 3) connected thereto for connecting the dialysis concentrate container to a dialysis machine, wherein the connecting portion (13, 3) has laterally spaced fluid connection elements (31) for connecting to a fluid outlet and a fluid inlet of the dialysis machine, wherein the container body (1, 2) is formed as a rigid box, wherein the connecting portion (13, 3) is further arranged at the lower end of the container body, wherein the connecting portion (13, 3) is formed by a plate body which can be clamped into a connecting block of the dialysis machine, and on the underside of which the fluid connecting elements (31) are formed, one of which being connected to a fluid inlet of the container body (1) and the other one being connected to a fluid outlet thereof.Type: ApplicationFiled: May 11, 2016Publication date: May 3, 2018Applicant: Ritter GmbHInventor: Frank Ritter
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Publication number: 20180111155Abstract: A cartridge piston has a venting valve and a valve part that is inserted into a front-side recess of the piston, the recess comprising a through opening and a surrounding annular groove. The valve part consists of a central body passing through said through opening and has a projection coacting with a sealing edge and protruding over the back side of the piston. The valve part also consists of a double-walled wall body located in the annular groove and connected to the central body by a front wall, wherein a venting path passes from the piston front side through an air passage into an interspace of the wall body and a filter path formed between an annular wall of the wall body and an annular wall part of the piston provided between said through opening and said groove, and through an annular gap between said wall part and said central body to said sealing edge.Type: ApplicationFiled: October 12, 2017Publication date: April 26, 2018Applicant: Ritter GmbHInventor: Frank Ritter
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Patent number: 9427511Abstract: In a rigid hemodialysis salt container of plastic material including a venting valve formed in a container wall with a venting opening extending through the container wall, a seal member covers the venting opening at the inside of the container wall and is connected to the container wall by cementing or welding such that, with the occurrence of a predetermined pressure difference between ambient air pressure and a vacuum generated in the container, the seal member is at least locally ripped off.Type: GrantFiled: December 14, 2006Date of Patent: August 30, 2016Assignee: RiTTER GMBHInventor: Ralf Ritter
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Patent number: 9352311Abstract: A dosing device comprises a housing. The housing has a slot-shaped opening in the axial direction. The respective region of a setting cylinder located inside the housing can be seen from the exterior through the opening. The setting cylinder can be radially rotated or set by way of a setting wheel. Quantitative indications of the discharge volumes for various syringe types at various settings are arranged in columns on the setting cylinder in the form of a table. The cylinder is oriented relative to the window in the housing such that at a given angular setting of the cylinder the correct discharge volume is visible in the window for every syringe type.Type: GrantFiled: February 26, 2013Date of Patent: May 31, 2016Assignee: Ritter GmbHInventors: Ralf Ritter, Frank Ritter
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Publication number: 20120291891Abstract: A rigid container made of plastics for receiving a solid or liquid concentrate for the preparation of a dialysis fluid for use in a dialysis machine, the container consisting of a base part and a lid part and being equipped with a first connector for feeding and a second connector for draining a liquid and for connecting to a dialysis machine, and being otherwise closed or closable in an airtight manner, is characterized in that the second connector is connected to an outlet line (3), the feeding opening of which is arranged near the bottom of the base part.Type: ApplicationFiled: April 3, 2012Publication date: November 22, 2012Applicant: RITTER GMBHInventors: Frank RITTER, Oliver WOLF, Frank FINIS
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Patent number: 6834782Abstract: In a cartridge closure with opening and closing means comprising a mouth piece with an open end and a closure part having a sleeve portion axially movably supported on the mouthpiece, a transverse wall is supported by support webs in axially spaced relationship from the open end of the mouthpiece and the closure part includes a neck portion of a smaller diameter than the sleeve portion with a transition area between the neck portion and the sleeve portion which includes a conical seal surface area which, in the closing position of the sleeve portion, sealingly engages a circumferential edge of the transverse wall.Type: GrantFiled: May 9, 2003Date of Patent: December 28, 2004Assignee: Ritter GmbHInventor: Frank Georg Ritter
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Patent number: D500522Type: GrantFiled: April 22, 2004Date of Patent: January 4, 2005Assignee: Jacob Ritter GmbHInventor: Volkmar Rommel
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Patent number: D500793Type: GrantFiled: December 23, 2003Date of Patent: January 11, 2005Assignee: Jacob Ritter GmbHInventor: Uwe Koch
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Patent number: D506781Type: GrantFiled: October 20, 2004Date of Patent: June 28, 2005Assignee: Jacob Ritter GmbHInventor: Uwe Koch
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Patent number: D507016Type: GrantFiled: November 17, 2004Date of Patent: July 5, 2005Assignee: Jacob Ritter GmbHInventor: Uwe Koch
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Patent number: D508080Type: GrantFiled: October 20, 2004Date of Patent: August 2, 2005Assignee: Jacob Ritter GmbHInventor: Uwe Koch
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Patent number: D508264Type: GrantFiled: October 20, 2004Date of Patent: August 9, 2005Assignee: Jacob Ritter GmbHInventor: Helmut Losel
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Patent number: D508714Type: GrantFiled: November 17, 2004Date of Patent: August 23, 2005Assignee: Jacob Ritter GmbHInventor: Uwe Koch
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Patent number: D489089Type: GrantFiled: February 26, 2003Date of Patent: April 27, 2004Assignee: Jacob Ritter GmbHInventor: Helmut Losel
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Patent number: D490851Type: GrantFiled: February 26, 2003Date of Patent: June 1, 2004Assignee: Jacob Ritter GmbHInventor: Helmut Losel
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Patent number: D496963Type: GrantFiled: December 23, 2003Date of Patent: October 5, 2004Assignee: Jacob Ritter GmbHInventor: Helmut Losel
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Patent number: D745824Type: GrantFiled: September 6, 2013Date of Patent: December 22, 2015Assignee: Ritter GmbHInventors: Ralf Ritter, Frank Ritter, Frank Finis
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Patent number: D877896Type: GrantFiled: April 24, 2018Date of Patent: March 10, 2020Assignee: RITTER GMBHInventor: Frank Ritter