Inventor
John C. Leisner
Inventor
Appleton, WI, US
Overview
Patents· 18 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B23Kprimary
B23KSoldering or unsoldering55%
F02BInternal-combustion piston engines7%
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids7%
A61GTransport, personal conveyances, or accommodation specially adapted for patients or disabled persons3%
A63GMerry-go-rounds3%
B08BCleaning in general3%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles3%
B60NSeats specially adapted for vehicles3%
B60PVehicles adapted for load transportation or to transport, to carry, or to comprise special loads or objects3%
F01MLubricating of machines or engines in general3%
PatentTitleYear
11,027,356Welder generator engine speed control202110,807,181Systems and methods for selecting a welding process202010,144,082Welder generator engine speed control20189,902,008'Systems and methods for selecting a welding process'20189,839,948'Fume evacuation system'20179,604,302'Welder generator engine speed control'20179,266,183'Welder generator engine speed control'20169,000,328'Servicing arrangement for a portable air compressor/generator'20158,604,385'Portable air compressor/generator control method and system'20137,870,915'Auxiliary service pack for a work vehicle'20117,739,997'Remote drain and filter arrangement for a portable generator system'20107,411,154'Control panel for a welding-type apparatus'20087,265,319'Multifunction meter for welding apparatus'20077,211,764'Engine driven welder/generator with high power accessory output operable at lower engine speeds'20076,603,097'Method and apparatus for controlling engine speed of a welding generator'20036,528,765'Engine driven welder with field current boost'20036,359,259'Engine driven welder with field current boost'20025,884,563'Ride attraction system for the physically disabled'1999Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1999Based in Universal City, CA, US· patent location history
2002–2021Patents assigned to ILLINOIS TOOL WORKS (17)· patent assignee history
2002–2021Based in Appleton, WI, US· patent location history
2013–2015Patents assigned to LEISNER JOHN C (2)· patent assignee history
2013Patents assigned to KROPP ERIC M (1)· patent assignee history
2015Patents assigned to HELF JOSEPH N (1)· patent assignee history
2015Patents assigned to JOCHMAN NATHAN J (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ILLINOIS TOOL WORKS | 17 | 2002–2021 |
| LEISNER JOHN Cself | 2 | 2013–2015 |
| HELF JOSEPH N | 1 | 2015 |
| JOCHMAN NATHAN J | 1 | 2015 |
| KROPP ERIC M | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Appleton, WI, US | 17 | 2002–2021 |
| Universal City, California, US | 1 | 1999 |