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

John D. Butler — 31 Patents

MEMechtrix: 12 patents #1 of 4Top 25%
FWFederal-Mogul Worldwide: 8 patents #30 of 339Top 9%
SCSouthwire Company: 7 patents #43 of 341Top 15%
AEArtos Engineering: 3 patents #8 of 23Top 35%
LILexmark International: 1 patents #1,041 of 1,615Top 65%
New Berlin, WI: #12 of 571 inventorsTop 3%
Wisconsin: #954 of 40,088 inventorsTop 3%
Overall (All Time): #115,823 of 4,157,543Top 3%
31 Patents All Time
John D. Butler has been granted 31 US patents while listed as an inventor at Mechtrix. The first was granted in 1983 and the most recent in June 2011. John D. Butler ranks #115,823 of 4,157,543 US inventors in our database (top 2.8%). Patent records list John D. Butler in New Berlin, WI, US.

Issued Patents All Time

Showing 1–25 of 31 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7957673 Toner transfer systems with an adjustable transfer belt for use in an image forming device Alexander Johannes Geyling, James Philip Harden 2011-06-07 $1,892,000
5518524 Method of reducing emissions from a metal melting furnace Thomas N. Wilson, Milton E. Berry, Thomas H. Crumbley, Peter W. Ware 1996-05-21
5411393 Premix burner for furnace with gas enrichment Kerim Askin 1995-05-02
5397109 Reduced emissions metal melting furnace Thomas N. Wilson, Milton E. Berry, Thomas H. Crumbley, Peter W. Ware 1995-03-14
5209893 Adjustable burner insert and method of adjusting same Kerim Askin 1993-05-11
5196155 Removable filter sieve for combustion piping Kerim Askin 1993-03-23
5139206 Wire prefeeder 1992-08-18
5082612 Method of making an oil seal having two lips formed by splitting the blank Jon A. Chandler 1992-01-21 $1,707,000
5070621 Apparatus for measuring wheel end play Mark E. Riebesehl 1991-12-10 $2,603,000
5067379 Electronic display system for wire stripping machine Vinod K. Chopra 1991-11-26
5025687 Interlocking die-type tooling for stripping insulated electrical conductors 1991-06-25
5013052 Oil seal having attached thereto two aligned polytetrafluoroethylene pieces forming seal lips Jon A. Chandler 1991-05-07 $4,031,000
4972582 Notch for aligning insulation cutters 1990-11-27
4961357 Conveyor mounted precision wire stripping machine Keith A. Johnson 1990-10-09
4870878 Apparatus and method for removing a slug of insulation along a length of insulated wire Keith A. Johnson 1989-10-03
4852433 Interlocking blade pair for stripping insulated electrical conductors 1989-08-01
4844426 Vertical shaft furnace for melting aluminum David A. Barnes, Joseph A. Bass, Robert H. McKenzie 1989-07-04
4826067 Sonic wire welders 1989-05-02
4822058 Radial lip seal Jon A. Chandler 1989-04-18 $3,599,000
4784024 Spacers for insulation cutters 1988-11-15
4702136 Tool holder for wire cutter 1987-10-27
4664702 Method of melting aluminum in a vertical shaft furnace David A. Barnes, Joseph A. Bass, Robert H. McKenzie 1987-05-12
4630406 Method of using an elliptical form to generate a perfect radius in an insulated electrical conductor stripping blade 1986-12-23
4613143 Dual-lip shaft seal with one spring-urged lip 1986-09-23 $2,746,000
4578856 Method and mold for making a dual-lip shaft seal with one spring urged lip 1986-04-01 $2,681,000