FZ

Frederick W. Zeyfang

PI Protective Industries: 27 patents #1 of 7Top 15%
BP Bunzl Plastics: 1 patents #2 of 8Top 25%
📍 Erie, PA: #21 of 1,097 inventorsTop 2%
🗺 Pennsylvania: #2,031 of 74,527 inventorsTop 3%
Overall (All Time): #139,299 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 1–25 of 28 patents

Patent #TitleCo-InventorsDate
9068682 Open ended industrial pipe cap for smaller diameter pipes 2015-06-30
9027603 Open ended industrial pipe cap with recessed finger grip William H. Sardini, Brian Mayo 2015-05-12
D726286 Plug for a hammer union Cory Michael Sierant 2015-04-07
8800603 Flange protector and masking device William H. Sardini 2014-08-12
8733404 Threaded plug for hammer union and assembly thereof 2014-05-27
8671991 Flange protector and lug 2014-03-18
8464749 Gas bottle valve body protective device 2013-06-18
8443844 Flange protector 2013-05-21
D665887 Flange protector 2012-08-21
8141578 Gas bottle valve stem protective sleeve 2012-03-27
D651709 Vented end cap for medical tube 2012-01-03
8051879 Open ended industrial pipe cap 2011-11-08
D623049 Hole plug 2010-09-07
D617426 Open ended industrial pipe cap 2010-06-08
7727593 Cap and plug masking or shipping 2010-06-01
D615164 Open ended industrial pipe cap 2010-05-04
7681587 Gas bottle valve stem protective sleeve 2010-03-23
D605935 Ergonomic end cap 2009-12-15
D599205 Textured pull cap 2009-09-01
D598748 Textured pull cap 2009-08-25
D592951 Textured pull cap 2009-05-26
7517485 Liquid vinyl injection molding method and apparatus Timothy Chase, John Charles Meidenbauer 2009-04-14
D587762 Information tube 2009-03-03
7487801 Cap and plug for masking or shipping 2009-02-10
D585738 Textured pull cap 2009-02-03