Spencer; Dudley W. C.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Spencer; Dudley W. C..The latest application filed is for "device for welding plastic tubes".
Company Profile
0.41.7
- Spencer; Dudley W. C. - Wilmington DE
Patent Activity
| Patent | Date |
|---|---|
| Device for welding plastic tubes Grant 9,950,469 - Ivansons , et al. April 24, 2 | 2018-04-24 |
| Device For Welding Plastic Tubes App 20160082651 - Ivansons; Ivars V. ; et al. | 2016-03-24 |
| Device for welding plastic tubes Grant 9,205,612 - Ivansons , et al. December 8, 2 | 2015-12-08 |
| Device For Welding Plastic Tubes App 20140231025 - Ivansons; Ivars V. ; et al. | 2014-08-21 |
| Device for welding plastic tubes Grant 8,708,019 - Ivansons , et al. April 29, 2 | 2014-04-29 |
| Clamp locking mechanism in device for welding plastic tubes Grant 8,066,269 - Ivansons , et al. November 29, 2 | 2011-11-29 |
| Device For Welding Plastic Tubes App 20100314033 - Ivansons; Ivars V. ; et al. | 2010-12-16 |
| Ozone infection control device Grant 7,731,914 - Ivansons , et al. June 8, 2 | 2010-06-08 |
| Ozone Infection Control Device App 20090016942 - Ivansons; Ivars V. ; et al. | 2009-01-15 |
| Spin-hemodialysis assembly and method Grant 6,852,231 - Ivansons , et al. February 8, 2 | 2005-02-08 |
| Female urinary device Grant 6,716,181 - Spencer , et al. April 6, 2 | 2004-04-06 |
| Female urinary device App 20030220586 - Spencer, Dudley W.C. ; et al. | 2003-11-27 |
| Wafer for use in the selective connecting and disconnecting of plastic tubes Grant 6,637,489 - Spencer October 28, 2 | 2003-10-28 |
| Spin-hemodialysis assembly and method App 20030155312 - Ivansons, Ivars V. ; et al. | 2003-08-21 |
| Hemodialysis assembly and method App 20030036720 - Spencer, Dudley W.C. ; et al. | 2003-02-20 |
| Surgical/medical tubing and containers for use in conveying medical solutions and the like Grant 6,348,049 - Spencer February 19, 2 | 2002-02-19 |
| Surgical/medical tubing and containers for use in conveying medical solutions and the like Grant 5,928,216 - Spencer July 27, 1 | 1999-07-27 |
| Medical tubing and containers for use in conveying medical solutions and the like Grant 5,919,173 - Spencer July 6, 1 | 1999-07-06 |
| Wafer for use in selective connecting and disconnecting of plastic tubes Grant 5,871,612 - Spencer February 16, 1 | 1999-02-16 |
| Sterile containment welding device for plastic tubes Grant 5,855,731 - Spencer January 5, 1 | 1999-01-05 |
| Medical tubing and containers for use in conveying medical solutions and the like Grant 5,733,268 - Spencer March 31, 1 | 1998-03-31 |
| Total containment welding of plastic tubes Grant 5,674,333 - Spencer October 7, 1 | 1997-10-07 |
| Ionomeric modified poly-ether-ester plastic tube for use in conveying medical solutions and the like Grant 5,496,291 - Spencer March 5, 1 | 1996-03-05 |
| Wafer for the welding and/or cutting of plastic tubes Grant D357,926 - Ivansons , et al. May 2, 1 | 1995-05-02 |
| Package for a wafer for the welding and/or cutting of plastic tubes Grant D355,848 - Ivansons , et al. February 28, 1 | 1995-02-28 |
| Solution bag with plastic connecting tube Grant 5,342,345 - Spencer August 30, 1 | 1994-08-30 |
| Total containment device for connect/disconnect of plastic tubes Grant 5,279,685 - Ivansons , et al. January 18, 1 | 1994-01-18 |
| Sterile containment welding device for plastic tubes Grant 5,256,229 - Spencer October 26, 1 | 1993-10-26 |
| Total containment welding of plastic tubes Grant 5,244,522 - Spencer , et al. September 14, 1 | 1993-09-14 |
| Total containment welding of plastic tubes Grant 5,209,800 - Spencer , et al. May 11, 1 | 1993-05-11 |
| Total containment welding of plastic tubes Grant 5,156,701 - Spencer , et al. October 20, 1 | 1992-10-20 |
| Catheter for suppressing tunnel infection Grant 5,037,395 - Spencer August 6, 1 | 1991-08-06 |
| Techniques for welding thermoplastic tubes Grant 4,933,036 - Shaposka , et al. June 12, 1 | 1990-06-12 |
| Techniques for welding thermoplastic tubes Grant 4,832,773 - Shaposka , et al. May 23, 1 | 1989-05-23 |
| Sterile welding of plastic tubes Grant 4,793,880 - Shaposka , et al. December 27, 1 | 1988-12-27 |
| Techniques for welding thermoplastic tubes Grant 4,770,735 - Shaposka , et al. September 13, 1 | 1988-09-13 |
| Sterile, cold cut connection process, apparatus and system Grant 4,619,642 - Spencer October 28, 1 | 1986-10-28 |
| Sterile connection process, apparatus and system Grant 4,610,670 - Spencer September 9, 1 | 1986-09-09 |
| Sterile docking process, apparatus and system Grant 4,516,971 - Spencer * May 14, 1 | 1985-05-14 |
| Sterile docking process, apparatus and system Grant 4,507,119 - Spencer March 26, 1 | 1985-03-26 |
| Sterile docking process, apparatus and system Grant 4,412,835 - Spencer November 1, 1 | 1983-11-01 |
| Sterile docking process, apparatus and system Grant 4,369,779 - Spencer January 25, 1 | 1983-01-25 |
| Horseshoe manufacture Grant 4,205,726 - Spencer June 3, 1 | 1980-06-03 |
| Hoof repair Grant 4,182,340 - Spencer January 8, 1 | 1980-01-08 |
| Horseshoe mounting appliance and method Grant 4,090,566 - Spencer May 23, 1 | 1978-05-23 |
| Horseshoe manufacture Grant 4,036,302 - Spencer July 19, 1 | 1977-07-19 |
| Horseshoe manufacture Grant 3,917,000 - Spencer November 4, 1 | 1975-11-04 |
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