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Reginald N. Spencer — 11 Patents

UNUnknown: 5 patents #3,065 of 83,584Top 4%
BKBloom & Kreten: 2 patents #5 of 7Top 75%
Columbia, MD: #112 of 1,501 inventorsTop 8%
Maryland: #2,842 of 35,612 inventorsTop 8%
Overall (All Time): #435,149 of 4,157,543Top 15%
11 Patents All Time
Reginald N. Spencer has been granted 11 US patents while listed as an inventor at Unknown. The first was granted in 1997 and the most recent in October 2001. Reginald N. Spencer ranks #435,149 of 4,157,543 US inventors in our database (top 10.5%). Patent records list Reginald N. Spencer in Columbia, MD, US.

Patents per Year

Patents granted per year, 1997 to 2001Bar chart with a peak of 4 patents in 2000.peak 41997: 1 patents19971998: 1 patents19981999: 2 patents19992000: 4 patents20002001: 3 patents2001

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
6296675 Alternative fuel for use in a diesel engine-powered emergency generator for intermittent use in fixed installations William A. Hubbard, John G. Koenig, Jr. 2001-10-02
6291732 Diesel fuel for use in diesel engine-powered vehicles William A. Hubbard 2001-09-18
6222082 Diesel fuel for use in diesel engine-powered vehicles William A. Hubbard 2001-04-24
6113660 Emergency fuel for use in an internal combustion engine and a method of packaging the fuel William A. Hubbard 2000-09-05
6110237 Emergency fuel for use in an internal combustion engine William A. Hubbard 2000-08-29
6096103 Alternative fuel for use in a diesel engine-powered emergency generator for intermittent use in fixed installations William A. Hubbard 2000-08-01
6029876 Storage container for emergency fuel William A. Hubbard 2000-02-29
5941432 Storage container for emergency fuel William A. Hubbard 1999-08-24
5938799 Emergency fuel for use in an internal combustion engine William A. Hubbard 1999-08-17
5853433 Emergency fuel for use in an internal combustion engine William A. Hubbard 1998-12-29
5681358 Method of using an emergency fuel in an internal combustion engine William A. Hubbard 1997-10-28

Frequent Collaborators

William A. Hubbard11 shared
John G. Koenig, Jr.1 shared

Nearby-Ranked Inventors

Ya-Ching Chang11
Hermann Lubbert11
Alexander WAITE11
Mehrad Mehr11
Matthew J. Purdey11
Nishtha Madaan11
Ian C. Richards11
Chad Huffman11
Lifeng Fan11