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USPTO Patent Rankings Data through Dec 31, 2025
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David C. Byram — 30 Patents

3M: 24 patents #514 of 11,543Top 5%
Johnson & Johnson: 6 patents #1,617 of 7,810Top 25%
River Falls, WI: #11 of 221 inventorsTop 5%
Wisconsin: #1,017 of 40,088 inventorsTop 3%
Overall (All Time): #121,623 of 4,157,543Top 3%
30 Patents All Time
David C. Byram has been granted 30 US patents while listed as an inventor at 3M. The first was granted in 1980 and the most recent in October 2015. David C. Byram ranks #121,623 of 4,157,543 US inventors in our database (top 2.9%). Patent records list David C. Byram in River Falls, WI, US.

Issued Patents All Time

Showing 1–25 of 30 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9162401 Devices and processes for performing degassing operations Donnie J. Duis, Stephen R. Beaton, Gregory Scott Duncan 2015-10-20 $114,215,000
7625197 Devices and processes for performing degassing operations Donnie J. Duis, Stephen R. Beaton, Gregory Scott Duncan 2009-12-01 $210,214,000
6715490 Convenient “drop-down” respirator 2004-04-06 $27,973,000
6591837 Convenient “drop-down” respirator 2003-07-15 $16,943,000
6494021 Contact lens transfer and material removal system Mark E. Schlagel, Darren S. Keene 2002-12-17 $116,684,000
6457473 Drop-down face mask assembly Gerald M. Brostrom 2002-10-01 $13,819,000
6119692 "Convenient ""drop-down"" respirator" 2000-09-19 $16,737,000
D426298 Full-face respirator lens Vaughn B. Grannis, David P. Knivsland, Joseph G. Reischel, Gerald M. Brostrom 2000-06-06
6062221 Drop-down face mask assembly Gerald M. Brostrom 2000-05-16 $19,630,000
D421801 Carriage for drop-down mask assembly Gerald M. Brostrom 2000-03-21
D421299 Carriage for drop-down mask assembly Gerald M. Brostrom 2000-02-29
6018931 Method and support for supporting packages only at their edges during steam sterilization Gregory Scott Duncan, Marlaine Gail Mills, James Peck, Kenneth Kurt Pricer 2000-02-01 $97,682,000
D411215 Disposable hand held verifier 1999-06-22
D409744 Full face respirator lens Vaughn B. Grannis, David P. Knivsland, Joseph G. Reischel, Gerald M. Brostrom 1999-05-11
D407115 Tape dispenser Michelle A. Baker, Casey L. Carlson, Perry S. Dotterman, Steven L. Henry, David C. Windorski 1999-03-23
5836323 Automated method and apparatus for hydrating soft contact lenses Darren S. Keene, Timothy P. Newton, Daniel Tsu-Fang Wang, David Dolan, Kiyoshi Imai +7 more 1998-11-17 $289,544,000
5762081 Automated apparatus for hydrating soft contact lenses Darren S. Keene, Timothy P. Newton, Daniel Tsu-Fang Wang, David Dolan, Kiyoshi Imai +7 more 1998-06-09 $162,169,000
D388872 Full face respirator lens Vaughn B. Grannis, David P. Knivsland, Joseph G. Reischel, Gerald M. Brostrom 1998-01-06
D378610 Full face respirator Joseph G. Reischel, David P. Knivsland, Gerald M. Brostrom, Vaughn B. Grannis 1997-03-25
5481763 Molded head harness Gerald M. Brostrom 1996-01-09 $8,785,000
5464010 "Convenient ""drop-down"" respirator harness structure and method of use" 1995-11-07 $6,600,000
5425701 Orthopedic brace having width adjusting vamp Craig D. Oster, Dayton W. Hulst 1995-06-20 $21,234,000
5394568 Molded head harness Gerald M. Brostrom 1995-03-07 $6,109,000
D347299 Valve cover John W. Bryant, Alan G. Kellett, Richard Lees, Daniel A. Japuntich 1994-05-24
D347298 Valve cover Daniel A. Japuntich, James E. Steffen 1994-05-24