KW

Karl Wefers

AA Aluminum Company Of America: 22 patents #7 of 1,017Top 1%
AD Aerojet Rocketdyne Of De: 1 patents #22 of 68Top 35%
📍 Vandergrift, PA: #12 of 285 inventorsTop 5%
🗺 Pennsylvania: #2,785 of 74,527 inventorsTop 4%
Overall (All Time): #185,522 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Showing 1–23 of 23 patents

Patent #TitleCo-InventorsDate
8835762 Apparatus for electrical isolation of metallic hardware Leo Gard 2014-09-16
5435374 Fiber reinforced aluminum matrix composite with improved interfacial bonding Maya Fishkis, Chanakya Misra 1995-07-25
5324587 Adhesively bonded aluminum Gary A. Nitowski, Larry F. Wieserman 1994-06-28
5286560 Method for increasing the wettability of aluminum metal to alumina containing fibers Maya Fishkis, Chanakya Misra 1994-02-15
5277788 Twice-anodized aluminum article having an organo-phosphorus monolayer and process for making the article Gary A. Nitowski, Larry F. Wieserman 1994-01-11
5238715 Food or beverage container or container panel Gary A. Nitowski, Larry F. Wieserman 1993-08-24
5132181 Phosphonic/phosphinic acid bonded to aluminum hydroxide layer Gary A. Nitowski, Larry F. Wieserman 1992-07-21
5131987 Process for making an adhesively bonded aluminum article Gary A. Nitowski, Larry F. Wieserman 1992-07-21
5126210 Anodic phosphonic/phosphinic acid duplex coating on valve metal surface Larry F. Wieserman, Gary A. Nitowski, Edward S. Martin 1992-06-30
5124289 Surface treated permeable inorganic membranes and process of making same Edward S. Martin, Larry F. Wieserman, Kathryn Cross 1992-06-23
5103550 Method of making a food or beverage container Gary A. Nitowski, Larry F. Wieserman 1992-04-14
5102507 Method of making an anodic phosphate ester duplex coating on a valve metal surface Larry F. Wieserman, Gary A. Nitowski 1992-04-07
5059258 Phosphonic/phosphinic acid bonded to aluminum hydroxide layer Gary A. Nitowski, Larry F. Wieserman 1991-10-22
5037795 Chromatographic packing material comprising extended area metal oxide/hydroxide particles with a layer of a phosphorus-containing material thereon Larry F. Wieserman, Kathryn Cross, Edward S. Martin 1991-08-06
5032237 Anodic phosphonic/phosphinic acid duplex coating on valve metal surface Larry F. Wieserman, Gary A. Nitowski, Edward S. Martin 1991-07-16
4994429 Active material useful as adsorbent comprising metal oxide/hydroxide particles reacted with phosphorus-containing organic acid group of organic compound having unreacted acid group Larry F. Wieserman, Kathryn Cross, Edward S. Martin 1991-02-19
4983566 Surface-modified adsorbent comprising metal oxide/hydroxide particles reacted with one or more perfluorinated organic acids Larry F. Wieserman, Kathryn Cross, Edward S. Martin 1991-01-08
4957890 Surface treated permeable inorganic membranes and method of making same Larry F. Wieserman, Kathryn Cross, Edward S. Martin, H. Philip Hsieh, William H. Quayle 1990-09-18
4904634 Active material useful as adsorbent comprising metal oxide/hydroxide surfaces reacted with one or more phosphorous-containing materials having selected organic radicals attached thereto Larry F. Wieserman, Kathryn Cross, Edward S. Martin 1990-02-27
4818302 Method of heat treatment Frank A. Mozelewski 1989-04-04
4788176 Adsorbent comprising metal oxide/hydroxide particles reacted with one or more phosphorous-containing materials having selected organic radicals attached thereto Larry F. Wieserman, Kathryn Cross, Edward S. Martin 1988-11-29
4786628 Chromatographic packings comprising metal oxide/hydroxide reacted with phosphonic acid Larry F. Wieserman, John W. Novak, Jr., Christine M. Conroy 1988-11-22
4784707 Method of making electrical connections using joint compound Larry T. Taylor, Richard Henry Bott 1988-11-15