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

H.R. Smith (Technical Developments) Limited — 6 Patents

Rank (All Time): #83,571 of 106,120Top 80%
4 inventors
6 Patents All Time

Top Inventors at H.R. Smith (Technical Developments) Limited All Time

Showing 1–4 of 4 inventors

RankNamePatents
1 Henry Roy Smith 3
2 John Ashton 1
2 Paul Hirons 1
2 Peter John Ives 1