{"@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [{"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.patentleaderboard.com/"}, {"@type": "ListItem", "position": 2, "name": "Inventors", "item": "https://www.patentleaderboard.com/inventors"}, {"@type": "ListItem", "position": 3, "name": "Helmut Kottmann", "item": "https://www.patentleaderboard.com/inventor/fl:he_ln:kottmann-1"}]}

Home › Inventors › Helmut Kottmann

HK

Helmut Kottmann — 2 Patents

MGMahle International Gmbh: 1 patents #818 of 122Top 675%

Neukirchen, DE: #33 of 90 inventorsTop 40%

Overall (All Time): #1,709,992 of 4,157,543Top 45%

2 Patents All Time

Helmut Kottmann has been granted 2 US patents. The first was granted in 1981 and the most recent in May 1998. Helmut Kottmann ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Helmut Kottmann in Neukirchen, DE.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5755191	Two-stroke internal combustion engine with charging cylinder	—	1998-05-26
4303044	Aluminium 2-stroke engine cylinder and crank case	—	1981-12-01

Helmut Kottmann — 2 Patents

Issued Patents All Time

Patent Widget