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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Frederick Erlich — 7 Patents

Southfield, MI: #124 of 906 inventorsTop 15%
Michigan: #13,705 of 86,293 inventorsTop 20%
Overall (All Time): #680,018 of 4,157,543Top 20%
7 Patents All Time
Frederick Erlich has been granted 7 US patents. The first was granted in 1988 and the most recent in April 1995. Frederick Erlich ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Frederick Erlich in Southfield, MI, US.

Patents per Year

Patents granted per year, 1988 to 1995Bar chart with a peak of 2 patents in 1995.peak 21988: 1 patents19881989: 1 patents19891990: 1 patents19901993: 1 patents19931994: 1 patents19941995: 2 patents1995

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
5409484 Cautery with smoke removal apparatus Ted Schartzenfeld 1995-04-25
5397222 Reusable medical cassette for ambulatory medical infusion pumps Richard Moss 1995-03-14
5329937 Speculum protector with smoke tube Stephen Krstevich, Fredrick Kamienny, Steve M. Watkins 1994-07-19
5181913 Catheter with check valve and rolled sheath 1993-01-26
4943284 Sheath for devices for injecting or withdrawing body fluids 1990-07-24
4850982 Catheter Brian H. Erlich 1989-07-25
4772275 Sheath for devices for injecting or withdrawing body fluids 1988-09-20