Helmut Schaefer — 19 Patents at John Deere

Helmut Schaefer has been granted 19 US patents while listed as an inventor at John Deere. The first was granted in 1984 and the most recent in September 2017. Helmut Schaefer ranks #229,345 of 4,157,543 US inventors in our database (top 5.5%). Patent records list Helmut Schaefer in Ketsch, DE.

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
9752675	Transmission control circuit	Guenter Rheinheimer, Steffen Frassek	2017-09-05	$12,776,000
9599127	Hydraulic circuit supply system	Scott R. Wiens, Marcus Bitter, Christian Brueser, Harm-Hendrik Lange	2017-03-21	$33,100,000
8978727	Support for at least one brush element and labeling machine	—	2015-03-17
8151818	System for supplying hydraulic fluid	Scott R. Wiens, Christian Brueser, Harm-Hendrik Lange	2012-04-10	$22,267,000
7543556	Cylinder crankcase comprising a cylinder liner	Eugen Hees	2009-06-09	$229,917,000
7240608	Cylinder liner for a cylinder crankcase	Peter Stocker, Oliver Storz	2007-07-10	$51,911,000
6769474	Casting die for the production of a cylinder block/crankcase	Hartmut Engels, Klaus Land, Peter Lingl, Franz Rueckert, Peter Stocker	2004-08-03	$92,316,000
6739377	Process for incorporating a metallic semi-finished product by casting	Franz Rueckert, Dezsoe Schilling, Peter Stocker	2004-05-25	$26,979,000
6203203	Slide bearing having a bearing block and a bearing cap	—	2001-03-20	$21,418,000
5826462	Plastic slider pad for gearbox shift fork	—	1998-10-27	$19,873,000
5810142	Flow control valve for rotating component	—	1998-09-22	$52,958,000
5224578	Coolant flow control for a clutch	Guenter Rheinheimer	1993-07-06	$4,135,000
4874449	Process for dressing a substantially flat substrate such as split leather or a textile material	Philipp Schaefer	1989-10-17
4751116	Imitation dressed split leather	Philipp Schaefer	1988-06-14
4581261	Dressed split leather	Philipp Schaefer	1986-04-08
4575446	Process for producing an insole for shoes	—	1986-03-11
4524529	Insole for shoes	—	1985-06-25
4502234	Synthetic-resin body support material	Philipp Schaefer	1985-03-05
4430448	Elastic molded body comprising a cell structure and process for producing such a molded body	Philipp Schaefer, Carsten Picker	1984-02-07

Helmut Schaefer — 19 Patents

Issued Patents All Time

Patent Widget