Sorkin; Felix L.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Sorkin; Felix L..The latest application filed is for "pipeline supporting apparatus".

Company Profile

0.114.11

Sorkin; Felix L. - Stafford TX US
Sorkin; Felix L. - Houston TX

*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
Matchcast coupler ring for segmental construction Grant 9,829,136 - Sorkin November 28, 2	2017-11-28
Press-on duct coupler assembly Grant 9,803,788 - Sorkin October 31, 2	2017-10-31
Pipeline supporting apparatus Grant 9,709,208 - Sorkin July 18, 2	2017-07-18
Pipeline Supporting Apparatus App 20160265690 - SORKIN; Felix L.	2016-09-15
Duct coupler for segmental construction Grant 9,423,059 - Sorkin August 23, 2	2016-08-23
Upper beam slab bolster for use in construction Grant 9,121,177 - Sorkin September 1, 2	2015-09-01
Cartridge for retaining a sheathing of a tendon within an anchor assembly Grant 9,097,014 - Sorkin August 4, 2	2015-08-04
Duct Coupler For Use With Ducts In A Wet Joint Of Segmental Concrete Construction App 20150211665 - SORKIN; Felix L.	2015-07-30
Deviator system for use in post-tension segmental concrete construction Grant 8,640,292 - Sorkin February 4, 2	2014-02-04
Duct coupling system Grant 8,398,123 - Sorkin March 19, 2	2013-03-19
Pocketformer with flow channel Grant 8,251,344 - Sorkin August 28, 2	2012-08-28
Sealing cap for intermediate anchor system Grant 8,087,204 - Sorkin January 3, 2	2012-01-03
Shim for tilt wall construction Grant D650,924 - Sorkin December 20, 2	2011-12-20
Pocketformer assembly for a post-tension anchor system Grant 8,069,624 - Sorkin December 6, 2	2011-12-06
Anchorage with tendon sheathing lock and seal Grant 8,065,845 - Sorkin November 29, 2	2011-11-29
Mandrel system for fixing an orientation of a duct in concrete segmental construction Grant 8,016,326 - Sorkin September 13, 2	2011-09-13
Process and apparatus for forming a sheathing retaining anchor Grant 8,015,774 - Sorkin September 13, 2	2011-09-13
Compression cap sheathing lock Grant 7,963,078 - Sorkin June 21, 2	2011-06-21
Sealing trumpet for a post-tension anchorage system Grant 7,950,196 - Sorkin May 31, 2	2011-05-31
Shrinkage-preventing apparatus for the sheathing of a tendon Grant 7,950,197 - Sorkin May 31, 2	2011-05-31
Upper beam slab bolster for use in construction Grant 7,870,703 - Sorkin January 18, 2	2011-01-18
Wedges for sheathing lock system Grant 7,866,009 - Sorkin January 11, 2	2011-01-11
Sheathing-retaining wedge assembly for use with a post-tension anchorage system Grant 7,856,774 - Sorkin December 28, 2	2010-12-28
Expansion-resistive construction chair for use with tilt-wall construction Grant 7,845,136 - Sorkin December 7, 2	2010-12-07
Apparatus for preventing shrinkage of a sheathing over a tendon Grant 7,841,140 - Sorkin November 30, 2	2010-11-30
Method of forming a dead-end anchorage of a post-tension system Grant 7,841,061 - Sorkin November 30, 2	2010-11-30
Unitary sheathing wedge Grant 7,823,345 - Sorkin November 2, 2	2010-11-02
Paving riser assembly for supporting rebars in stacked and/or intersection relationship Grant 7,810,298 - Sorkin October 12, 2	2010-10-12
Apparatus and method for preventing shrinkage of a sheathing over a tendon Grant 7,797,894 - Sorkin September 21, 2	2010-09-21
Shrinkage-preventing device for the sheathing of a tendon Grant 7,797,895 - Sorkin September 21, 2	2010-09-21
Sheathing retaining cap Grant 7,793,473 - Sorkin September 14, 2	2010-09-14
Upper beam slab bolster Grant D621,239 - Sorkin August 10, 2	2010-08-10
Pocketformer Grant D615,219 - Sorkin May 4, 2	2010-05-04
Gasketed coupler apparatus for use with concrete segments Grant 7,695,021 - Sorkin April 13, 2	2010-04-13
Couplers for use with ducts of concrete segmental construction Grant 7,686,347 - Sorkin March 30, 2	2010-03-30
Tendon tensioning anchor system having polymeric encapsulation with reduced shrinkage effects Grant 7,676,997 - Sorkin March 16, 2	2010-03-16
Intersectional reinforcing bar support Grant 7,669,381 - Sorkin March 2, 2	2010-03-02
Duct system for profiled post-tension construction Grant 7,621,103 - Sorkin November 24, 2	2009-11-24
Tilt wall chair Grant D595,117 - Sorkin June 30, 2	2009-06-30
Sheathing Retaining Cap App 20090077913 - Sorkin; Felix L.	2009-03-26
Concrete reinforcing bar support with bar retainer members Grant 7,506,482 - Sorkin March 24, 2	2009-03-24
Intersectional reinforcing bar support having securing cap Grant 7,461,491 - Sorkin December 9, 2	2008-12-09
Grade chair Grant D578,870 - Sorkin October 21, 2	2008-10-21
Paving chair Grant D578,379 - Sorkin October 14, 2	2008-10-14
Positively retained cap for use on an encapsulated anchor of a post-tension anchor system Grant 7,424,792 - Sorkin September 16, 2	2008-09-16
Extruded upper beam slab bolster for use in construction Grant 7,373,764 - Sorkin May 20, 2	2008-05-20
Intersectional paving chair Grant D567,634 - Sorkin April 29, 2	2008-04-29
Shim for tilt wall construction Grant D565,749 - Sorkin April 1, 2	2008-04-01
Shim for tilt wall construction Grant D565,748 - Sorkin April 1, 2	2008-04-01
Concrete reinforcing bar support with bar retainer members App 20080028717 - Sorkin; Felix L.	2008-02-07
Intersectional reinforcing bar support with C-shaped clamps Grant 7,322,158 - Sorkin January 29, 2	2008-01-29
Upper beam slab bolster with extruded plates Grant 7,284,354 - Sorkin October 23, 2	2007-10-23
Duct coupler apparatus with compressible seals Grant 7,273,238 - Sorkin September 25, 2	2007-09-25
Duct coupler apparatus Grant 7,267,375 - Sorkin September 11, 2	2007-09-11
Construction chair for use with tilt wall construction Grant 7,237,367 - Sorkin July 3, 2	2007-07-03
Paving chair Grant D543,836 - Sorkin June 5, 2	2007-06-05
Chair for tilt wall construction Grant D504,805 - Sorkin May 10, 2	2005-05-10
Tendon receiving duct for a monostrand bonded post-tension system Grant 6,889,714 - Sorkin May 10, 2	2005-05-10
Coupler apparatus for use with angled post-tension cables in precast concrete segmental construction Grant 6,874,821 - Sorkin April 5, 2	2005-04-05
Bonded monostrand post-tension system Grant 6,843,031 - Sorkin January 18, 2	2005-01-18
Paving chair Grant D500,665 - Sorkin January 11, 2	2005-01-11
Coupler apparatus for use with a tendon-receiving duct in a segmental precast concrete structure Grant 6,834,890 - Sorkin December 28, 2	2004-12-28
Corrosion protection seal for an anchor of a post-tension system Grant 6,817,148 - Sorkin November 16, 2	2004-11-16
Pin foot chair Grant D497,055 - Sorkin October 12, 2	2004-10-12
Flat foot chair Grant D495,504 - Sorkin September 7, 2	2004-09-07
Upper beam slab bolster with parallel plates Grant 6,775,954 - Sorkin August 17, 2	2004-08-17
Upper beam bolster for use in construction Grant 6,772,571 - Sorkin August 10, 2	2004-08-10
Duct coupler apparatus for use with precast concrete segmental construction Grant 6,764,105 - Sorkin July 20, 2	2004-07-20
Three channel duct Grant D492,987 - Sorkin July 13, 2	2004-07-13
Monostrand duct Grant D492,988 - Sorkin July 13, 2	2004-07-13
Connector assembly for intermediate post-tension anchorage system Grant 6,761,002 - Sorkin July 13, 2	2004-07-13
Expansion dowel system and method of forming same Grant 6,758,023 - Sorkin July 6, 2	2004-07-06
Symmetrical coupler apparatus for use with precast concrete segmental construction Grant 6,752,435 - Sorkin June 22, 2	2004-06-22
Coupler apparatus for use with a tendon-receiving duct in a segmental precast concrete structure App 20040056483 - Sorkin, Felix L.	2004-03-25
Intersectional reinforcing bar support Grant 6,684,595 - Sorkin February 3, 2	2004-02-03
Intersectional reinforcing bar support Grant 6,684,594 - Sorkin February 3, 2	2004-02-03
Tendon receiving duct Grant 6,666,233 - Sorkin December 23, 2	2003-12-23
Tendon-receiving duct with longitudinal channels Grant 6,659,135 - Sorkin December 9, 2	2003-12-09
Paving chair Grant D482,262 - Sorkin November 18, 2	2003-11-18
Corrosion protection tube for use on an anchor of a post-tension anchor system Grant 6,631,596 - Sorkin October 14, 2	2003-10-14
Paving chair Grant D480,291 - Sorkin October 7, 2	2003-10-07
Intermediate anchor and intermediate anchorage system for a post-tension system Grant 6,560,939 - Sorkin May 13, 2	2003-05-13
Concrete reinforcing bar support Grant 6,557,317 - Sorkin May 6, 2	2003-05-06
Apparatus for forming a dead-end anchorage of a post-tension system Grant 6,513,287 - Sorkin February 4, 2	2003-02-04
Concrete reinforcing bar support App 20030000170 - Sorkin, Felix L.	2003-01-02
Intermediate anchor and intermediate anchorage system for a post-tension system App 20020129570 - Sorkin, Felix L.	2002-09-19
Tendon-receiving duct with longitudinal channels App 20020083991 - Sorkin, Felix L.	2002-07-04
Method and apparatus for sealing an intermediate anchorage of a post-tension system App 20020083659 - Sorkin, Felix L.	2002-07-04
Pocketformer apparatus for a post-tension anchor system and method of using same Grant 6,393,781 - Sorkin May 28, 2	2002-05-28
Apparatus and method for sealing an intermediate anchor of a post-tension anchor system Grant 6,381,912 - Sorkin May 7, 2	2002-05-07
Splice chuck for use in a post-tension anchor system Grant 6,176,051 - Sorkin January 23, 2	2001-01-23
Intermediate anchorage system utilizing splice chuck Grant 6,151,850 - Sorkin November 28, 2	2000-11-28
Device and method for stripping a cable Grant 6,108,910 - Sorkin August 29, 2	2000-08-29
Method and apparatus for sealing an intermediate anchorage of a post-tension system Grant 6,098,356 - Sorkin August 8, 2	2000-08-08
Wedge-receiving cavity for an anchor body of a post-tension anchor system Grant 6,027,278 - Sorkin February 22, 2	2000-02-22
Anchor of a post-tension anchorage system with an improved cap connection Grant 6,023,894 - Sorkin February 15, 2	2000-02-15
Wedge-receiving cavity for an anchor body of a post-tension anchor system Grant 6,017,165 - Sorkin January 25, 2	2000-01-25
Multi-strand anchorage system with an anchor body for receiving a grout tube Grant 6,012,867 - Sorkin January 11, 2	2000-01-11
Pocketformer apparatus for a post-tension anchor system Grant 5,897,102 - Sorkin April 27, 1	1999-04-27
Corrosion protection tube for a post-tension anchor system Grant 5,839,235 - Sorkin November 24, 1	1998-11-24
Duct Grant D400,670 - Sorkin November 3, 1	1998-11-03
Chair for use in construction Grant 5,791,095 - Sorkin August 11, 1	1998-08-11
Connector seal for an anchor and a corrosion-protection tube of a post-tension system Grant 5,788,398 - Sorkin August 4, 1	1998-08-04
Coupler for ducts used in post-tension rock anchorage systems Grant 5,775,849 - Sorkin July 7, 1	1998-07-07
Corrosion inhibitor retaining seal Grant 5,770,286 - Sorkin June 23, 1	1998-06-23
Method and apparatus for forming an anchorage of a post-tension system Grant 5,755,065 - Sorkin May 26, 1	1998-05-26
Method and apparatus for an intermediate anchorage of a post-tension system Grant 5,749,185 - Sorkin May 12, 1	1998-05-12
Method and apparatus for installing a multi-strand anchorage system Grant 5,720,139 - Sorkin February 24, 1	1998-02-24
Construction chair Grant D388,312 - Sorkin * December 30, 1	1997-12-30
Bonded slab post-tension system Grant 5,701,707 - Sorkin December 30, 1	1997-12-30
Chair for use in construction Grant 5,555,693 - Sorkin September 17, 1	1996-09-17
Sealed tendon-tensioning anchor system Grant 5,440,842 - Sorkin August 15, 1	1995-08-15
Post-tension anchor system Grant 5,072,558 - Sorkin , et al. December 17, 1	1991-12-17
Tendon tensioning anchor Grant 4,896,470 - Sorkin January 30, 1	1990-01-30