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USPTO Patent Rankings Data through Dec 31, 2025
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Helmut Lehmann — 16 Patents

Basf Se: 6 patents #2,778 of 13,826Top 25%
RGRichard Wolf Gmbh: 3 patents #41 of 214Top 20%
SISchenectady International: 2 patents #2 of 15Top 15%
BGBasf Coatings Gmbh: 1 patents #350 of 799Top 45%
DCDr. Beck + Co.Ag: 1 patents #3 of 18Top 20%
ANAgfa-Gevaert Nv: 1 patents #972 of 260Top 375%
Leverkusen, DE: #155 of 1,687 inventorsTop 10%
Overall (All Time): #284,196 of 4,157,543Top 7%
16 Patents All Time
Helmut Lehmann has been granted 16 US patents while listed as an inventor at Basf Se. The first was granted in 1980 and the most recent in October 2011. Helmut Lehmann ranks #284,196 of 4,157,543 US inventors in our database (top 6.8%). Patent records list Helmut Lehmann in Leverkusen, DE.

Patents per Year

Patents granted per year, 1980 to 2011Bar chart with a peak of 2 patents in 1981.peak 21980: 1 patents19801981: 2 patents1983: 1 patents19831984: 2 patents1986: 1 patents19861988: 1 patents1989: 1 patents19891991: 2 patents1995: 1 patents19952000: 1 patents2001: 1 patents20012002: 1 patents2011: 1 patents2011

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
8033987 Medical instrument Markus Lienhart 2011-10-11
6337442 Coating which is resistant to partial discharges, for enamelled wire Klaus-Wilhelm Lienert, Gerold Schmidt 2002-01-08
6316046 Wire enamels containing polyesterimides and/or polyamideimides with polyoxyalkylenediamines as molecular elements Klaus-Wilhelm Liener, Gerold Schmidt 2001-11-13
6022918 Wire enamel formulation with internal lubricant Klaus-Wilhelm Lienert, Irmgart Gebert, Michael Muller 2000-02-08
D356997 Multi-plug connector — 1995-04-04
5059660 Self-bonding enamel solution for heat-resistant coatings Peter Hoessel, Hans Schupp, Klaus-Wilhelm Lienert 1991-10-22
5046816 Device for arranging optical fibers in an endoscope optical system Siegfried Karst 1991-09-10
4863304 Rapid connector between an endoscope and a camera Siegfried Bauer 1989-09-05
4751107 Heat-curable hot-melt enamel and its preparation Udo Reiter, Hans-Josef Oslowski, Horst Reimann 1988-06-14
4590025 Impregnation of thread-covered wires and braided conductors by extrusion of thermoplastics Udo Reiter 1986-05-20
4439579 Preparation of aqueous thermosetting electrical insulating varnishes Udo Reiter, Hans-Uwe Schenck, Ferdinand Hansch 1984-03-27
4429072 Preparation of aqueous thermosetting electrical insulating varnishes, and use of the varnishes Udo Reiter 1984-01-31
4384061 Thermosetting polycondensates containing amide and imide groups, and their use Udo Reiter, Walter Disteldorf, Hans-Uwe Schenck 1983-05-17
4285218 System for fixing prints with reactive and vat dyes — 1981-08-25
4252842 Electrical insulation of metallic conductors Hans Jung, Wilhelm Dussel, Jenoe Kovacs 1981-02-24
4205436 Device for loading film cassettes Artur Klotz 1980-06-03

Frequent Collaborators

Udo Reiter5 shared
Klaus-Wilhelm Lienert3 shared
Gerold Schmidt2 shared
Hans-Uwe Schenck2 shared
Horst Reimann1 shared
Siegfried Bauer1 shared

Nearby-Ranked Inventors

Chung-Lin Fu16
Tyrone T. Chen16
Shivendra Katiyar16
Kevin E. Kalajan16
Henry Y. Mark16
Marco Becker16
Nak Gi Sung16
Kenta Iwai16
Brock Mammoser16