Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Schroff Gmbh — 63 Patents

Rank (All Time): #10,450 of 105,732Top 10%
43 inventors
63 Patents All Time

Patents per Year

Patents granted per year, 1987 to 2011Bar chart with a peak of 6 patents in 2000.peak 61987: 2 patents19871988: 1 patents1989: 1 patents1990: 4 patents19901991: 4 patents1992: 3 patents1993: 3 patents19931994: 5 patents1995: 5 patents1996: 5 patents19961997: 2 patents1998: 4 patents1999: 2 patents19992000: 6 patents2001: 4 patents2002: 2 patents20022004: 1 patents2005: 3 patents2007: 1 patents20072008: 1 patents2009: 1 patents2010: 1 patents20102011: 2 patents2011

Top Inventors at Schroff Gmbh All Time

Showing 1–43 of 43 inventors

RankNamePatents
1 Michael Joist 26
2 Paul Mazura 22
3 Hans-Martin Schwenk 21
#4 Hans-Ulrich Gunther 14
#5 Volker Haag 9
#6 Klaus Pfeifer 8
#6 Klaus-Michael Thalau 8
#8 Uwe Rieger 7
#9 Klaus Kern 6
#10 Udo Weiss 5
#11 Heinz Kempf 4
#12 Hans Guenther 3
#12 Johann Stein 3
#12 Paul Rutherford 3
#15 Gerhard Huller 2
#15 Hans-Jorg Weiler 2
#15 Henning Wick 2
#15 Kurt Pohl 2
#15 Peter Takats 2
#15 Rainer Weber 2
#15 Werner Sonnabend 2
#22 Daniel Lee Thomas 1
#22 Dieter Bender 1
#22 Eike Waltz 1
#22 Elmer Daub 1
#22 Eric Guiol 1
#22 Fred A. Koch 1
#22 Frank Rost 1
#22 Hans-Ulrich Guther 1
#22 Heinz Euchner 1
#22 Hennin Wick, deceased 1
#22 Peter Bachmann 1
#22 Peter Dratwa 1
#22 Peter Reiser 1
#22 Robert Benko 1
#22 Stefan Hauber 1
#22 Wolfram Breitling 1
#22 Norbert Grosskurth 1
#22 H. Bernd Benz 1
#22 H. Michael Joist 1
#22 Friedrich Werling 1
#22 Gunther Schroff 1
#22 Helmut Hermanutz 1