Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Companies › Polar Spring
PS

Polar Spring — 5 Patents

Rank (All Time): #103,399 of 105,917Top 100%
3 inventors
5 Patents All Time

Patents per Year

Patents granted per year, 1989 to 1996Bar chart with a peak of 1 patents in 1989.peak 11989: 1 patents19891990: 1 patents19901992: 1 patents19921993: 1 patents19931996: 1 patents1996

Top Inventors at Polar Spring All Time

Showing 1–3 of 3 inventors

RankNamePatents
1 William M. Conlon 4
2 Donald M. Hendricks 3
3 Chung Nan Chang 2

Related Companies

Lectra Systemes, S.A.5
Geraghty & Miller5
Audiofax5
Lk.5
Dinaco5
Marubishi Yuha Kogyo Kabushiki Kaisha5
Sanshin Thermal Insulation Co.5
Agrimont S.P.A.5
Brite-Line Industries5