Inventor · disambiguated record
Dana R. Allen
Also filed as: ALLEN DANA R · ALLEN DANA RAYMOND
11 granted patents·1 pending application·220 citations·filing 1995–2021
91Inventor score
Top patents by PatentIndex Score
12 records- 0186US5594815AOCR image preprocessing method for image enhancement of scanned documentsFiled 1995·Granted Jan 14, 1997·69 cites·9 claims
- 0278US8801938B2Method and device for underwater recovery of products or pollutantsALLEN DANA R·Filed 2011·Granted Aug 12, 2014·8 cites·23 claims
- 0371US5594817AOCR image pre-processor for detecting and reducing skew of the image of textual matter of a scanned documentFiled 1995·Granted Jan 14, 1997·33 cites·9 claims
- 0470US5579414AOCR image preprocessing method for image enhancement of scanned documents by reversing invert textFiled 1995·Granted Nov 26, 1996·30 cites·1 claims
- 0565US5729635AOCR image free-processing method for image enhancement of scanned documentsTMSSEQUOIA·Filed 1996·Granted Mar 17, 1998·25 cites·9 claims
- 0663US5590224AOCR image preprocessing method for image enhancement of scanned documents by correction of registrationFiled 1995·Granted Dec 31, 1996·23 cites·3 claims
- 0759US5625719AOCR image preprocessing method for image enhancement of scanned documentsFiled 1995·Granted Apr 29, 1997·19 cites·1 claims
- 0851US5594814AOCR image preprocessing method for image enhancement of scanned documentsFiled 1995·Granted Jan 14, 1997·13 cites·6 claims
- 0947US10801818B2Method and device for micro blasting with reusable blasting rods and electrically ignited cartridgesALLEN DANA RAYMOND·Filed 2014·Granted Oct 13, 2020·0 cites·23 claims
- 1044US8893672B2Internal-combustion engine with reduced pollutantsALLEN DANA R·Filed 2009·Granted Nov 25, 2014·0 cites·21 claims
- 1139US2021381315A1Method and apparatus for concentrated energy drilling, core drilling, automated mining and tunnelingALLEN DANA R·Filed 2021·Application pending·0 cites
- 1228US10688360B2Method and apparatus for propelling golf balls and other objectsGONTARSKI FRANK·Filed 2014·Granted Jun 23, 2020·0 cites·17 claims
Join the waitlist — get patent alerts
Get an alert when Dana R. Allen files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →