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

Hans Spengler — 7 Patents

RURutgerswerke: 4 patents #28 of 168Top 20%
Daimlerchrysler Ag: 1 patents #1,774 of 4,854Top 40%
Halle, BE: #9 of 78 inventorsTop 15%
Overall (All Time): #680,018 of 4,157,543Top 20%
7 Patents All Time
Hans Spengler has been granted 7 US patents while listed as an inventor at Rutgerswerke. The first was granted in 1981 and the most recent in February 2000. Hans Spengler ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Hans Spengler in Halle, BE.

Patents per Year

Patents granted per year, 1981 to 2000Bar chart with a peak of 1 patents in 1981.peak 11981: 1 patents19811989: 1 patents19891991: 1 patents19911993: 1 patents19931994: 1 patents19941997: 1 patents19972000: 1 patents2000

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6021703 Armor for protection against shaped charge projectiles Klaus Peter Geiss 2000-02-08 $60,241,000
5621185 Warhead Georg Schrodl 1997-04-15
5283045 Sinterable carbon powder and method of its production Winfried Boenigk, Hans-Dieter Behrens, Andreas Niehoff 1994-02-01
5262043 Coal tar pitch and the preparation and use thereof Winfried Boenigk, Hans-Dieter Behrens 1993-11-16
5075416 Novel process Peter Staglich, Bodo Friedrich, Robert Zellerhoff 1991-12-24
4795847 Preparation of 2,6-dialkyl-naphthalenes Jens Weitkamp, Marita Neuber, Wilhelm Holtmann, Gerd Collin 1989-01-03
4274803 High-pressure centrifugal pump unit Klaus Stoof 1981-06-23