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

Charles E. Ingram — 12 Patents

FGFourstar Group: 10 patents #4 of 44Top 10%
Warren, MI: #43 of 910 inventorsTop 5%
Michigan: #7,722 of 86,293 inventorsTop 9%
Overall (All Time): #396,045 of 4,157,543Top 10%
12 Patents All Time
Charles E. Ingram has been granted 12 US patents while listed as an inventor at Fourstar Group. The first was granted in 1980 and the most recent in May 1983. Charles E. Ingram ranks #396,045 of 4,157,543 US inventors in our database (top 9.5%). Patent records list Charles E. Ingram in Warren, MI, US.

Patents per Year

Patents granted per year, 1980 to 1983Bar chart with a peak of 5 patents in 1981.peak 51980: 3 patents19801981: 5 patents19811982: 3 patents19821983: 1 patents1983

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
4383627 Luggage rack locking device 1983-05-17 $126,000
D267087 Tie down bracket for a luggage rack 1982-11-30
D266836 Tie down bracket for a luggage rack 1982-11-09
4346365 Stopped vehicle warning device 1982-08-24
4281783 Detachable luggage carrier for automobiles 1981-08-04
4270681 Slidable bracket for article carrier 1981-06-02
4256339 Velocity responsive deflector blade with self-alignment pivotal mounting 1981-03-17
4244501 Slidable bracket for luggage rack 1981-01-13
D257769 Pivotal support for a wind deflector blade 1981-01-06
4241860 Article carrier stanchion 1980-12-30
4225068 Luggage rack 1980-09-30
D255344 Tie-down bracket 1980-06-10