Raj; Kuldip

Patent Applications and Registrations

Patent applications and USPTO patent grants for Raj; Kuldip.The latest application filed is for "failure indicator seal for a rotary feedthrough".

Company Profile

0.38.2

Raj; Kuldip - Merrimack NH US
Raj; Kuldip - Merrimac NH
Raj; Kuldip - Medford MA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Failure indicator seal for a rotary feedthrough Grant 8,531,195 - Raj September 10, 2	2013-09-10
Failure indicator seal for a rotary feedthrough App 20120049871 - Raj; Kuldip	2012-03-01
Ferrofluid seal incorporating multiple types of ferrofluid Grant 6,899,338 - Li , et al. May 31, 2	2005-05-31
Ferrofluid seal incorporating multiple types of ferrofluid App 20040173972 - Li, Zhixin ; et al.	2004-09-09
Method for recycling ferrofluid constituents used in a materials separation process Grant 6,254,781 - Raj July 3, 2	2001-07-03
System for recycling ferrofluid constituents used in a materials separation process Grant 6,103,107 - Raj August 15, 2	2000-08-15
Method for manufacturing oil-based ferrofluid Grant 6,068,785 - Raj , et al. May 30, 2	2000-05-30
Stable polysiloxane ferrofluid compositions and method of making same Grant 5,851,416 - Raj , et al. December 22, 1	1998-12-22
Sensor employing a sliding magnet suspended on ferrofluid Grant 5,780,741 - Raj July 14, 1	1998-07-14
Ferrofluid-cooled electromagnetic device and improved cooling method Grant 5,462,685 - Raj , et al. October 31, 1	1995-10-31
Loudspeaker Grant 5,461,677 - Raj , et al. October 24, 1	1995-10-24
Ferrofluid inclinometer Grant 5,452,520 - Raj , et al. September 26, 1	1995-09-26
Ferrofluid pressure sensor Grant 5,429,000 - Raj , et al. July 4, 1	1995-07-04
Stacked pole-piece ferrofluid seal apparatus Grant 5,018,751 - Raj , et al. May 28, 1	1991-05-28
Ferrofluid seal with epoxy pole pieces Grant 4,927,164 - Raj , et al. May 22, 1	1990-05-22
Tapered ferrofluid seal Grant 4,890,850 - Raj , et al. January 2, 1	1990-01-02
Long-life multi-stage ferrofluid seals incorporating a ferrofluid reservoir Grant 4,865,334 - Raj , et al. September 12, 1	1989-09-12
Compact long-life magnetic fluid seal Grant 4,830,384 - Raj , et al. May 16, 1	1989-05-16
Compact ferrofluidic electrically conducting sealed bearing Grant 4,797,013 - Raj , et al. January 10, 1	1989-01-10
Compact magnetic fluid low pressure seal Grant 4,772,032 - Raj , et al. September 20, 1	1988-09-20
Method of preparing low viscosity, electrically conductive ferrofluid composition Grant 4,732,706 - Borduz , et al. March 22, 1	1988-03-22
Bearing assembly with integrated ferrofluid seal Grant 4,692,826 - Raj , et al. September 8, 1	1987-09-08
Low viscosity, electrically conductive ferrofluid composition and method of making and using same Grant 4,687,596 - Borduz , et al. August 18, 1	1987-08-18
Electrically conductive ferrofluid bearing and seal apparatus and low-viscosity electrically conductive ferrofluid used therein Grant 4,673,997 - Gowda , et al. June 16, 1	1987-06-16
Bearing assembly with integrated ferrofluid seal Grant 4,628,384 - Raj , et al. December 9, 1	1986-12-09
Electrically conductive ferrofluid compositions and method of preparing and using same Grant 4,604,229 - Raj , et al. August 5, 1	1986-08-05
Stable ferrofluid composition and method of making and using same Grant 4,604,222 - Borduz , et al. August 5, 1	1986-08-05
Coaxial, multiple-shaft ferrofluid seal apparatus Grant 4,575,102 - Raj , et al. March 11, 1	1986-03-11
Compact ferrofluid seal and bearing assembly Grant 4,531,846 - Raj July 30, 1	1985-07-30
High-pressure ferrofluid seal apparatus Grant 4,527,805 - Gowda , et al. July 9, 1	1985-07-09
Stabilized ferrofluid-ferrofluid seal apparatus and method Grant 4,526,379 - Raj July 2, 1	1985-07-02
Self-activating ferrofluid seal apparatus and method of use Grant 4,506,895 - Raj March 26, 1	1985-03-26
Ferrofluid seal apparatus and method Grant 4,478,424 - Raj October 23, 1	1984-10-23
Nonbursting magnetic liquid seals for high vacuum applications Grant 4,445,696 - Raj , et al. May 1, 1	1984-05-01
Nonbursting multiple-stage ferrofluid seal and system Grant 4,407,518 - Moskowitz , et al. October 4, 1	1983-10-04
Single-pole-piece ferrofluid seal apparatus and exclusion seal system Grant 4,407,508 - Raj , et al. October 4, 1	1983-10-04
Ferrofluid rotary-shaft seal apparatus and method Grant 4,357,022 - Raj November 2, 1	1982-11-02
Ferrofluid rotary-shaft seal apparatus and method Grant 4,357,024 - Raj November 2, 1	1982-11-02
Self-activating ferrofluid seals Grant 4,252,353 - Raj , et al. February 24, 1	1981-02-24

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