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

Robert M. Perchak — 16 Patents

MDMirage Development: 8 patents #1 of 1Top 100%
SPSpectra Precision: 2 patents #6 of 23Top 30%
MSMonarch Marking Systems: 1 patents #81 of 123Top 70%
Ncr: 1 patents #1,850 of 3,019Top 65%
TLTrimble Navigation Limited: 1 patents #861 of 889Top 100%
Dayton, OH: #69 of 1,892 inventorsTop 4%
Ohio: #4,521 of 73,341 inventorsTop 7%
Overall (All Time): #284,196 of 4,157,543Top 7%
16 Patents All Time
Robert M. Perchak has been granted 16 US patents while listed as an inventor at Mirage Development. The first was granted in 1983 and the most recent in April 2011. Robert M. Perchak ranks #284,196 of 4,157,543 US inventors in our database (top 6.8%). Patent records list Robert M. Perchak in Dayton, OH, US.

Patents per Year

Patents granted per year, 1983 to 2011Bar chart with a peak of 3 patents in 1998.peak 31983: 1 patents19831991: 1 patents19911995: 1 patents19951998: 3 patents19981999: 3 patents19992000: 2 patents20002001: 1 patents20012003: 2 patents20032009: 1 patents20092011: 1 patents2011

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7920337 Wide angle surface generator and target 2011-04-05
7497021 Multi-axis bubble vial device Robin McCarty 2009-03-03 $9,024,000
6628405 Optical angle finder and coaxial alignment device 2003-09-30
6515783 Penta assembly skew compensator 2003-02-04
6292258 Laser receiver with out-of-plumb indication and compensation Richard D'Alessandro, Jonathan A Jackson, Edward E. Hart 2001-09-18
6081333 Bi-lateral shearing interferometer with beam convergence/divergence indication 2000-06-27
6054717 Beam centering system 2000-04-25
5994688 Position leveling sensor for a laser transmitter Jonathan A Jackson, Ayman Hajmousa, John P. Dugan 1999-11-30
5923426 Bi-lateral shearing interferometer 1999-07-13
5896475 Thin lightguide target for laser alignment 1999-04-20
5818633 Laser leveling target with fresnel lens system 1998-10-06
5760932 Target for laser leveling systems 1998-06-02
5710647 Target for laser leveling systems 1998-01-20
5448362 Non-contact measurement of displacement and changes in dimension of elongated objects such as filaments 1995-09-05
5059950 Deactivatable electronic article surveillance tags, tag webs and method of making tag webs 1991-10-22 $12,862,000
4402185 Thermoelectric (peltier effect) hot/cold socket for packaged I.C. microprobing 1983-09-06 $6,806,000