Patents by Inventor Paul Feuerstein
Paul Feuerstein 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: 9487199Abstract: A hydraulic brake mechanism is described including a housing. A master cylinder assembly is disposed within the housing, and the master cylinder assembly includes a fluid chamber. The fluid chamber includes a first chamber portion having a first diameter and a second chamber portion having a second diameter, with the first diameter greater than the second diameter. The fluid chamber includes a transition region between the first and second chamber portions. The mechanism includes a piston assembly having a piston disposed within the fluid chamber. A first seal is configured to sealingly engage between the first chamber portion and the piston, and a second seal is configured to sealingly engage between the second chamber portion and the piston. The mechanism includes an outlet port extending from the fluid chamber from or adjacent the transition region.Type: GrantFiled: September 11, 2015Date of Patent: November 8, 2016Assignee: SRAM, LLCInventors: Charles E. Dunlap, Paul Feuerstein
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Publication number: 20150375729Abstract: A hydraulic brake mechanism is described including a housing. A master cylinder assembly is disposed within the housing, and the master cylinder assembly includes a fluid chamber. The fluid chamber includes a first chamber portion having a first diameter and a second chamber portion having a second diameter, with the first diameter greater than the second diameter. The fluid chamber includes a transition region between the first and second chamber portions. The mechanism includes a piston assembly having a piston disposed within the fluid chamber. A first seal is configured to sealingly engage between the first chamber portion and the piston, and a second seal is configured to sealingly engage between the second chamber portion and the piston. The mechanism includes an outlet port extending from the fluid chamber from or adjacent the transition region.Type: ApplicationFiled: September 11, 2015Publication date: December 31, 2015Inventors: Charles E. Dunlap, Paul Feuerstein
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Patent number: 9156522Abstract: A hydraulic brake mechanism is described including a housing. A master cylinder assembly is disposed within the housing, and the master cylinder assembly includes a fluid chamber. The fluid chamber includes a first chamber portion having a first diameter and a second chamber portion having a second diameter, with the first diameter greater than the second diameter. The fluid chamber includes a transition region between the first and second chamber portions. The mechanism includes a piston assembly having a piston disposed within the fluid chamber. A first seal is configured to sealingly engage between the first chamber portion and the piston, and a second seal is configured to sealingly engage between the second chamber portion and the piston. The mechanism includes an outlet port extending from the fluid chamber from or adjacent the transition region.Type: GrantFiled: March 26, 2014Date of Patent: October 13, 2015Inventors: Charles E. Dunlap, Paul Feuerstein
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Publication number: 20140202810Abstract: A hydraulic brake mechanism is described including a housing. A master cylinder assembly is disposed within the housing, and the master cylinder assembly includes a fluid chamber. The fluid chamber includes a first chamber portion having a first diameter and a second chamber portion having a second diameter, with the first diameter greater than the second diameter. The fluid chamber includes a transition region between the first and second chamber portions. The mechanism includes a piston assembly having a piston disposed within the fluid chamber. A first seal is configured to sealingly engage between the first chamber portion and the piston, and a second seal is configured to sealingly engage between the second chamber portion and the piston. The mechanism includes an outlet port extending from the fluid chamber from or adjacent the transition region.Type: ApplicationFiled: March 26, 2014Publication date: July 24, 2014Applicant: SRAM, LLCInventors: Charles E. Dunlap, Paul Feuerstein
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Patent number: 8714322Abstract: A hydraulic brake mechanism is described including a housing. A master cylinder assembly is disposed within the housing, and the master cylinder assembly includes a fluid chamber. The fluid chamber includes a first chamber portion having a first diameter and a second chamber portion having a second diameter, with the first diameter greater than the second diameter. The fluid chamber includes a transition region between the first and second chamber portions. The mechanism includes a piston assembly having a piston disposed within the fluid chamber. A first seal is configured to sealingly engage between the first chamber portion and the piston, and a second seal is configured to sealingly engage between the second chamber portion and the piston. The mechanism includes an outlet port extending from the fluid chamber from or adjacent the transition region.Type: GrantFiled: January 16, 2012Date of Patent: May 6, 2014Assignee: SRAM, LLCInventors: Charles E. Dunlap, Paul Feuerstein
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Publication number: 20130180815Abstract: A hydraulic brake mechanism is described including a housing. A master cylinder assembly is disposed within the housing, and the master cylinder assembly includes a fluid chamber. The fluid chamber includes a first chamber portion having a first diameter and a second chamber portion having a second diameter, with the first diameter greater than the second diameter. The fluid chamber includes a transition region between the first and second chamber portions. The mechanism includes a piston assembly having a piston disposed within the fluid chamber. A first seal is configured to sealingly engage between the first chamber portion and the piston, and a second seal is configured to sealingly engage between the second chamber portion and the piston. The mechanism includes an outlet port extending from the fluid chamber from or adjacent the transition region.Type: ApplicationFiled: January 16, 2012Publication date: July 18, 2013Applicant: SRAM, LLCInventors: Charles E. Dunlap, Paul Feuerstein
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Patent number: 8162343Abstract: A mounting device is shown for mounting components to a bicycle handlebar having a handlebar axis. The mounting device includes a mounting bracket mountable to the handlebar about the handlebar axis. The mounting bracket includes a first clamp portion and a second clamp portion hingedly connected to the first clamp portion to interiorly receive the handlebar. An interior channel is defined by spaced sidewalls and formed in a portion of the circumferential length of one of the first and second clamp portions, and a hole is formed through the clamp portion and opens to the channel.Type: GrantFiled: June 21, 2011Date of Patent: April 24, 2012Assignee: SRAM, LLCInventors: Martin Weiss, Scott McLaughlin, Paul Feuerstein, Matthew Morris
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Patent number: 8061667Abstract: A mounting device for mounting first and second bicycle control components to a bicycle handlebar having a handlebar axis. The mounting device generally includes first and second mounting brackets. The first mounting bracket is adjustably mounted to the handlebar about the handlebar axis. One of the first and second bicycle control components is attached to the first mounting bracket. The second mounting bracket is adjustably attached to the first mounting bracket. The other of the first and second bicycle control components is attached to the second mounting bracket. The second mounting bracket is displaced between alternative attachment positions on the first mounting bracket. The first mounting bracket is rotated between alternative mounting positions on the handlebar.Type: GrantFiled: April 16, 2010Date of Patent: November 22, 2011Assignee: SRAM, LLCInventors: Martin Weiss, Scott McLaughlin, Paul Feuerstein
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Publication number: 20110253863Abstract: A mounting device for mounting first and second bicycle control components to a bicycle handlebar having a handlebar axis. The mounting device generally includes first and second mounting brackets. The first mounting bracket is adjustably mounted to the handlebar about the handlebar axis. One of the first and second bicycle control components is attached to the first mounting bracket. The second mounting bracket is adjustably attached to the first mounting bracket. The other of the first and second bicycle control components is attached to the second mounting bracket. The second mounting bracket is displaced between alternative attachment positions on the first mounting bracket. The first mounting bracket is rotated between alternative mounting positions on the handlebar.Type: ApplicationFiled: April 16, 2010Publication date: October 20, 2011Applicant: SRAM, LLCInventors: Martin Weiss, Scott McLaughlin, Paul Feuerstein
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Publication number: 20110247448Abstract: A mounting device is shown for mounting components to a bicycle handlebar having a handlebar axis. The mounting device includes a mounting bracket mountable to the handlebar about the handlebar axis. The mounting bracket includes a first clamp portion and a second clamp portion hingedly connected to the first clamp portion to interiorly receive the handlebar. An interior channel is defined by spaced sidewalls and formed in a portion of the circumferential length of one of the first and second clamp portions, and a hole is formed through the clamp portion and opens to the channel.Type: ApplicationFiled: June 21, 2011Publication date: October 13, 2011Applicant: SRAM, LLCInventors: Martin Weiss, Scott McLaughlin, Paul Feuerstein, Matthew Morris
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Publication number: 20050247816Abstract: A dispenser has a base which includes an open connecting end positioned at one end of the base. The open connecting end is configured to permit the dispenser to be releasably coupled to an object. The base may include one or more arms, one or more legs, and one or more feet. The dispenser is configured to hold a roll of sheet material.Type: ApplicationFiled: May 10, 2004Publication date: November 10, 2005Inventors: Paul Feuerstein, Lance Liljeqvist, Robert Tiedemann