Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
JM

John Mitchell Makal — 22 Patents

CTCooper Technologies: 17 patents #37 of 859Top 5%
RTRte: 4 patents #3 of 34Top 9%
MCMcgraw-Edison: 1 patents #75 of 210Top 40%
Milwaukee, WI: #81 of 2,770 inventorsTop 3%
Wisconsin: #1,688 of 40,088 inventorsTop 5%
Overall (All Time): #189,202 of 4,157,543Top 5%
22 Patents All Time
John Mitchell Makal has been granted 22 US patents while listed as an inventor at Cooper Technologies. The first was granted in 1985 and the most recent in April 2013. John Mitchell Makal ranks #189,202 of 4,157,543 US inventors in our database (top 4.6%). Patent records list John Mitchell Makal in Milwaukee, WI, US.

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8415579 Method of assembling a vacuum switchgear assembly Frank John Muench, Michael Patrick Culhane, Brian Todd Steinbrecher, Paul N. Stoving, Paul Michael Roscizewski 2013-04-09
8109776 Two-material separable insulated connector David Charles Hughes, Thomas Augustia, Michael John Gebhard, Sr. 2012-02-07
7950939 Medium voltage separable insulated energized break connector David Charles Hughes, Brian Todd Steinbrecher, Frank John Muench 2011-05-31
7909635 Jacket sleeve with grippable tabs for a cable connector David Charles Hughes, Michael John Gebhard, Sr., Paul Michael Roscizewski 2011-03-22
7883356 Jacket sleeve with grippable tabs for a cable connector David Charles Hughes, Michael John Gebhard, Sr., Paul Michael Roscizewski 2011-02-08
7870668 Method for connecting an electrical connector to a cable connector David Charles Hughes, Paul Michael Roscizewski 2011-01-18
7661979 Jacket sleeve with grippable tabs for a cable connector David Charles Hughes, Michael John Gebhard, Sr., Paul Michael Roscizewski 2010-02-16
7494355 Thermoplastic interface and shield assembly for separable insulated connector system David Charles Hughes, Edine Mary Heinig 2009-02-24
7491075 Electrical connector David Charles Hughes, Paul Michael Roscizewski 2009-02-17
7488916 Vacuum switchgear assembly, system and method Frank John Muench, Michael Patrick Culhane, Brian Todd Steinbrecher, Paul N. Stoving, Paul Michael Roscizewski 2009-02-10
6744255 Grounding device for electric power distribution systems Brian Todd Steinbrecher, Frank John Muench, David Charles Hughes 2004-06-01
6338637 Dead front system and process for injecting fluid into an electrical cable Frank John Muench, James Allen Wenzel 2002-01-15 $34,491,000
6332785 High voltage electrical connector with access cavity and inserts for use therewith Frank John Muench, James Allen Wenzel 2001-12-25
5857862 Loadbreak separable connector Frank John Muench 1999-01-12 $12,105,000
5846093 Separable connector with a reinforcing member Frank John Muench 1998-12-08 $45,465,000
5655921 Loadbreak separable connector Henry Allan Hecker 1997-08-12 $10,718,000
5427538 Electrical connecting system Todd K. Knapp, Frank John Muench, Henry Allan Hecker, Paul Michael Roscizewski, David Brucker +1 more 1995-06-27 $10,768,000
5393240 Separable loadbreak connector Wayne W. Lien, William J. McNulty 1995-02-28 $11,144,000
4776089 Method of assembling tap plug to cable connector Randall R. Schoenwetter, Edward L. Sankey 1988-10-11 $14,335,000
4722694 High voltage cable connector Randall R. Schoenwetter 1988-02-02 $1,143,000
4715104 Installation tool Randall R. Schoenwetter, Edward L. Sankey 1987-12-29 $1,046,000
4532386 Dual voltage switch Frank John Muench 1985-07-30 $808,000