Zeyfang; Frederick W.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Zeyfang; Frederick W..The latest application filed is for "open ended industrial pipe cap for smaller diameter pipes".
- Zeyfang; Frederick W. - Erie PA
| Patent | Date |
|---|---|
| Open ended industrial pipe cap for smaller diameter pipes Grant 9,068,682 - Zeyfang June 30, 2 | 2015-06-30 |
| Open ended industrial pipe cap with recessed finger grip Grant 9,027,603 - Zeyfang , et al. May 12, 2 | 2015-05-12 |
| Plug for a hammer union Grant D726,286 - Zeyfang , et al. April 7, 2 | 2015-04-07 |
| Flange protector and masking device Grant 8,800,603 - Zeyfang , et al. August 12, 2 | 2014-08-12 |
| Open ended industrial pipe cap for smaller diameter pipes App 20140174584 - Zeyfang; Frederick W. | 2014-06-26 |
| Threaded plug for hammer union and assembly thereof Grant 8,733,404 - Zeyfang May 27, 2 | 2014-05-27 |
| Wrap-around gas bottle valve body protective device App 20140124056 - Zeyfang; Frederick W. | 2014-05-08 |
| Open ended industrial pipe cap App 20140124084 - Zeyfang; Frederick W. | 2014-05-08 |
| Flange protector and lug Grant 8,671,991 - Zeyfang March 18, 2 | 2014-03-18 |
| Threaded plug for hammer union and assembly thereof App 20140060689 - Zeyfang; Frederick W. | 2014-03-06 |
| Flange protector and masking device App 20130153079 - Zeyfang; Frederick W. ; et al. | 2013-06-20 |
| Gas bottle valve body protective device Grant 8,464,749 - Zeyfang June 18, 2 | 2013-06-18 |
| Flange protector Grant 8,443,844 - Zeyfang May 21, 2 | 2013-05-21 |
| Flange protector and lug App 20120234430 - Zeyfang; Frederick W. | 2012-09-20 |
| Open ended industrial pipe cap with recessed finger grip App 20120227854 - Zeyfang; Frederick W. ; et al. | 2012-09-13 |
| Flange protector Grant D665,887 - Zeyfang August 21, 2 | 2012-08-21 |
| Gas Bottle Valve Stem Protective Device App 20120192967 - ZEYFANG; Frederick W. | 2012-08-02 |
| Gas bottle valve stem protective sleeve Grant 8,141,578 - Zeyfang March 27, 2 | 2012-03-27 |
| Vented end cap for medical tube Grant D651,709 - Zeyfang January 3, 2 | 2012-01-03 |
| Open ended industrial pipe cap Grant 8,051,879 - Zeyfang November 8, 2 | 2011-11-08 |
| "Compression-molded silicone rubber cap and plug" App 20110008557 - Zeyfang; Frederick W. | 2011-01-13 |
| Open ended industrial pipe cap App 20100326560 - Zeyfang; Frederick W. | 2010-12-30 |
| Color-coded gas cylinder collar App 20100229436 - Zeyfang; Frederick W. | 2010-09-16 |
| Hole plug Grant D623,049 - Zeyfang September 7, 2 | 2010-09-07 |
| Two-piece pipe end cap App 20100200102 - Zeyfang; Frederick W. | 2010-08-12 |
| Closed end cap for industrial pipes App 20100200098 - Zeyfang; Frederick W. | 2010-08-12 |
| Open ended industrial pipe cap Grant D617,426 - Zeyfang June 8, 2 | 2010-06-08 |
| Cap and plug masking or shipping Grant 7,727,593 - Zeyfang June 1, 2 | 2010-06-01 |
| Gas Bottle Valve Stem Protective Sleeve App 20100126596 - Zeyfang; Frederick W. | 2010-05-27 |
| Open ended industrial pipe cap Grant D615,164 - Zeyfang May 4, 2 | 2010-05-04 |
| Gas bottle valve stem protective sleeve Grant 7,681,587 - Zeyfang March 23, 2 | 2010-03-23 |
| Ergonomic end cap Grant D605,935 - Zeyfang December 15, 2 | 2009-12-15 |
| Information tube and tethered end cap used therewith App 20090255933 - Zeyfang; Frederick W. | 2009-10-15 |
| Textured pull cap Grant D599,205 - Zeyfang September 1, 2 | 2009-09-01 |
| Textured pull cap Grant D598,748 - Zeyfang August 25, 2 | 2009-08-25 |
| Cap and plug for masking or shipping App 20090165882 - Zeyfang; Frederick W. | 2009-07-02 |
| Textured pull cap Grant D592,951 - Zeyfang May 26, 2 | 2009-05-26 |
| Liquid vinyl injection molding method and apparatus Grant 7,517,485 - Zeyfang , et al. April 14, 2 | 2009-04-14 |
| Information tube Grant D587,762 - Zeyfang March 3, 2 | 2009-03-03 |
| Cap and plug for masking or shipping Grant 7,487,801 - Zeyfang February 10, 2 | 2009-02-10 |
| Textured pull cap Grant D585,738 - Zeyfang February 3, 2 | 2009-02-03 |
| End cap for information tube Grant D583,871 - Zeyfang December 30, 2 | 2008-12-30 |
| Gas valve wrench Grant D576,851 - Zeyfang September 16, 2 | 2008-09-16 |
| Cap and plug for masking or shipping App 20080092977 - Zeyfang; Frederick W. | 2008-04-24 |
| Gas bottle valve stem protective sleeve App 20080066809 - Zeyfang; Frederick W. | 2008-03-20 |
| Liquid vinyl injection molding method and apparatus App 20070120295 - Zeyfang; Frederick W. ; et al. | 2007-05-31 |
| Center pull tab plug with sealing flange App 20060278653 - Zeyfang; Frederick W. ; et al. | 2006-12-14 |
| Venting cap for masking Grant 5,613,615 - Zeyfang , et al. March 25, 1 | 1997-03-25 |
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