DH

David A. Hill

CR Carrier Commercial Refrigeration: 4 patents #9 of 64Top 15%
UN Unknown: 3 patents #7,366 of 83,584Top 9%
RT Restaurant Technology: 2 patents #84 of 208Top 45%
IN Ingersoll-Rand: 1 patents #412 of 828Top 50%
MC Mcdonald'S: 1 patents #9 of 38Top 25%
📍 Chicago, IL: #590 of 13,327 inventorsTop 5%
🗺 Illinois: #4,396 of 84,256 inventorsTop 6%
Overall (All Time): #251,740 of 4,157,543Top 7%
18
Patents All Time

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
11719676 Machine learning monitoring air quality 2023-08-08
10485961 Medical procedure for inserting a chest drainage tube 2019-11-26
9694164 Medical instrument for inserting a chest drainage tube 2017-07-04
D789514 Injectable tablet 2017-06-13
8253581 Loading device with a moveable platform and a pivotal arm Jeffrey L. Sands, James D. Conlin, Thomas J. Franken, Andrew Paul Franklin, Randy L. Ginner +6 more 2012-08-28
8234972 Automated grill Jeffrey L. Sands, James D. Conlin, Thomas J. Franken, Andrew Paul Franklin, Randy L. Ginner +6 more 2012-08-07
7472645 Lift/latch mechanism to raise upper platen of grill Robert E. Frisque, Dennis J. Nelson 2009-01-06
7448373 Adjustment mechanism to adjust gap between grilling surfaces Robert E. Frisque, Dennis J. Nelson 2008-11-11
7318504 Adjusting mechanism for a prosthetic Thomas Vitale 2008-01-15
7275908 Swivel ram roller Jeffrey Kinsberg 2007-10-02
7001626 Automated grill Jeffrey L. Sands, James D. Conlin, Thomas J. Franken, Andrew Paul Franklin, Randy L. Ginner +6 more 2006-02-21
6717111 Grilling component Jeffrey L. Sands, James D. Conlin, Thomas J. Franken, Andrew Paul Franklin, Randy L. Ginner +6 more 2004-04-06
6189682 Position control apparatus and method for controlling the movement of a block in a woodworking machine 2001-02-20
5573073 Compressed fluid operated tool with fluid metering device John H. L. Schofield, Graham Dewhurst, Paul Fairhurst 1996-11-12
5086225 Thermal cycle recirculating pump for isotope purifier 1992-02-04
4758721 Thermal cycle recirculating pump for isotope purifier 1988-07-19
4737638 Preselector source for isotope separation 1988-04-12
4199833 Carton opening device Fred Z. Sitkins 1980-04-29