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USPTO Patent Rankings Data through Dec 31, 2025
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Robert Luffel — 27 Patents

HP: 27 patents #487 of 16,619Top 3%
Houston, TX: #632 of 21,073 inventorsTop 3%
Texas: #4,611 of 125,132 inventorsTop 4%
Overall (All Time): #142,059 of 4,157,543Top 4%
27 Patents All Time
Robert Luffel has been granted 27 US patents. The first was granted in 1995 and the most recent in December 2020. Robert Luffel ranks #142,059 of 4,157,543 US inventors in our database (top 3.4%). Patent records list Robert Luffel in Houston, TX, US.

Issued Patents All Time

Showing 1–25 of 27 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10857822 Print engine and accessory mating Kevin Lo, Wee Teck Woon, Alexander M Nameroff, Dan Canfield, Anthony Carcia 2020-12-08 $7,217,000
D806789 Printer Akifumi Hirota, Daniel Huang 2018-01-02
7451461 Laterally expandable modular data storage system David Paul Jones 2008-11-11 $8,826,000
D565651 Printer Michael V. Leman, David B. Larson 2008-04-01
7255234 Low profile support system for device rack-mounting David Paul Jones, Curtis C. Ballard, Nicholas Thayer 2007-08-14 $21,363,000
7057847 Media storage systems and cartridge-handling apparatus therefor Kelly J. Reasoner 2006-06-06 $8,039,000
7036132 Reconfigurable cartridge processing module for storing cartridge receiving devices in a data storage system Paul Coffin, Gregg S. Schmidtke 2006-04-25 $11,316,000
7027367 Apparatus for translating a cartridge access device David Paul Jones 2006-04-11 $7,307,000
6909577 Low-overhead storage magazine 2005-06-21 $15,955,000
6851910 Cartridge-handling apparatus 2005-02-08 $10,023,000
6775093 Data cartridge-to-caddy referencing system for a data cartridge handling mechanism within an autochanger Mark A. Smith, Daniel R. Dauner 2004-08-10 $7,647,000
6643226 Mail slot data cartridge exchange system for use with a data storage system Nicholas Thayer, David Paul Jones, Mark A. Smith 2003-11-04 $16,518,000
6622366 Method for device rack-mounting David Paul Jones, Curtis C. Ballard, Nicholas Thayer 2003-09-23 $10,861,000
6469850 Automatic splaying picker finger Paul Coffin, Robert Lee Mueller 2002-10-22 $11,133,000
6445652 Technique for eliminating end-of-travel dead space in media autochangers Wayne E. Foslien, Matthias Lester, Kelly J. Reasoner 2002-09-03 $21,621,000
6421306 Single-side engaging picker for data cartridges Paul Coffin, Daniel R. Dauner 2002-07-16 $32,738,000
6404724 Automatic splaying picker finger Paul Coffin, Robert Lee Mueller 2002-06-11 $14,396,000
6366707 Imaging apparatus alignment system and method Richard Lynn Gardner, Jr., Richard A. Irwin 2002-04-02 $13,864,000
6327113 Rotatable cartridge engaging assembly Robert Lee Mueller, David Paul Jones 2001-12-04 $26,634,000
6266316 Automatic splaying picker finger Paul Coffin, Robert Lee Mueller 2001-07-24 $28,724,000
6231291 Method and apparatus for exchanging data cartridges in a jukebox data storage system Robert Lee Mueller, Paul Coffin 2001-05-15 $33,667,000
6222699 Modular data storage system utilizing a wireless cartridge access device Gregg S. Schmidtke 2001-04-24 $32,250,000
5721716 Linear displacement and support apparatus for use in a cartridge handling system Paul Coffin 1998-02-24 $34,589,000
5596556 Linear displacement and support apparatus for use in a cartridge handling system Paul Coffin 1997-01-21 $39,169,000
5584207 Integrated drive system D. Scott Paul 1996-12-17 $36,511,000