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

Robert W. Grenkowitz — 6 Patents

Ford: 6 patents #2,924 of 17,473Top 20%
Romeo, MI: #36 of 226 inventorsTop 20%
Michigan: #15,817 of 86,293 inventorsTop 20%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Robert W. Grenkowitz has been granted 6 US patents while listed as an inventor at Ford. The first was granted in 1994 and the most recent in February 2003. Robert W. Grenkowitz ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Robert W. Grenkowitz in Romeo, MI, US.

Patents per Year

Patents granted per year, 1994 to 2003Bar chart with a peak of 1 patents in 1994.peak 11994: 1 patents19941996: 1 patents19961997: 1 patents19971998: 1 patents19981999: 1 patents19992003: 1 patents2003

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6520244 Method and apparatus for curing foundry cores James R. Lapeus, Michael J. Braskich, Mark John Gallo, Stephen A. Veresh 2003-02-18 $51,714,000
5872714 Rapidly making a contoured part Furqan Zafar Shaikh, Gregory H. Smith, Michael Raymond Rigley, Craig Edward Burch, Martin Andrew Brogley +2 more 1999-02-16 $77,244,000
5847958 Rapidly making a contoured part Furgan Zafar Shaikh, Martin Andrew Brogley, Craig Edward Burch, Gerry A. Grab, Robert Francis Novak +1 more 1998-12-08 $31,491,000
5620044 Gravity precision sand casting of aluminum and equivalent metals Michael J. Braskich, Allen D. Ackerman 1997-04-15 $29,915,000
5569846 Modular apparatus for iteratively evaluating combustion flow process Randolph C. King 1996-10-29 $27,904,000
5309366 Method of defining complex geometries to transpose flow boxes into pattern equipment for the production of automotive components 1994-05-03 $10,183,000