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

Emco Specialties — 5 Patents

Rank (All Time): #102,716 of 105,732Top 100%
6 inventors
5 Patents All Time

Patents per Year

Patents granted per year, 1980 to 1994Bar chart with a peak of 1 patents in 1980.peak 11980: 1 patents19801991: 1 patents19911992: 1 patents19921993: 1 patents19931994: 1 patents1994

Top Inventors at Emco Specialties All Time

Showing 1–6 of 6 inventors

RankNamePatents
1 Alan H. Woodruff 2
1 John S. Holloway 2
3 Gary L. Jaehnel 1
3 James Caruso 1
3 Norman R. Engman 1
3 Walter B. Herbst 1