Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
IS

Imperial Schrade

Rank (All Time): #24,517 of 106,127Top 25%
18 inventors
25 Patents All Time

Top Inventors at Imperial Schrade All Time

Showing 1–18 of 18 inventors

RankNamePatents
1 Walter A. Gardiner 20
2 James O. Quinn 12
2 Joseph A. Hufnagel 12
#4 David A. Swinden 10
#5 James J. Economos 9
#6 Robert S. Englert 8
#6 Scott W. Osiecki 8
#8 Oleh Stecyk 7
#9 Robert L. Naas 6
#10 Peter F. Lynch 3
#10 Robert Andersen 3
#12 David A. Furth 2
#13 Glen N. Christoffel 1
#13 John Denis Lemaire 1
#13 Mark L. Gardiner 1
#13 Michael L. Walker 1
#13 Ronald W. Lake 1
#13 Dieh Stecyk 1