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

Harold A. McMaster — 48 Patents

GLGlasstech: 24 patents #5 of 71Top 8%
FSFirst Solar: 3 patents #89 of 324Top 30%
GIGlasstech International: 3 patents #1 of 12Top 9%
SCSolar Cells: 1 patents #5 of 6Top 85%
Woodville, OH: #1 of 16 inventorsTop 7%
Ohio: #807 of 73,341 inventorsTop 2%
Overall (All Time): #57,596 of 4,157,543Top 2%
48 Patents All Time
Harold A. McMaster has been granted 48 US patents while listed as an inventor at Glasstech. The first was granted in 1980 and the most recent in May 2002. Harold A. McMaster ranks #57,596 of 4,157,543 US inventors in our database (top 1.4%). Patent records list Harold A. McMaster in Woodville, OH, US.

Patents per Year

Patents granted per year, 1980 to 2002Bar chart with a peak of 5 patents in 1989.peak 51980: 4 patents19801981: 1 patents1982: 4 patents19821983: 1 patents1984: 2 patents19841985: 3 patents1986: 3 patents19861987: 3 patents1988: 3 patents19881989: 5 patents1990: 4 patents19901991: 3 patents1992: 4 patents19921993: 1 patents1997: 1 patents19971998: 1 patents1999: 2 patents19992000: 2 patents2002: 1 patents2002

Issued Patents All Time

Showing 1–25 of 48 patents

Patent #TitleCo-InventorsDate
6390052 Wobble engine Robert G. McMaster 2002-05-21
6058740 Glass substrate deposition system having lateral alignment mechanism Alan J. McMaster 2000-05-09
6037241 Apparatus and method for depositing a semiconductor material Ricky C. Powell, Gary L. Dorer, Nicholas A. Reiter, Steven M. Cox, Terence D. Kahle 2000-03-14
5948132 Glass sheet strip annealing method Robert E. Maltby, Jr., Philip J. Breno, James W. Buckingham, Michael J. Vild 1999-09-07
5945163 Apparatus and method for depositing a material on a substrate Ricky C. Powell, Gary L. Dorer, Nicholas A. Reiter, Steven M. Cox, Terence D. Kahle 1999-08-31
5772715 System and method for processing sheet glass James B. Foote, Alan J. McMaster 1998-06-30
5700306 Glass sheet strip forming system including annealing lehr Robert E. Maltby, Jr., Philip J. Breno, James W. Buckingham, Michael J. Vild 1997-12-23
5209767 Glass sheet annealing lehr having gas support conveyor Robert E. Maltby, Jr., Philip J. Breno, James W. Buckingham 1993-05-11
5125608 Photovoltaic panel support assembly Robert D. Nicholson, Steven A. F. Kaake 1992-06-30
5110338 Method and apparatus for heating a glass sheet 1992-05-05
5092916 Glass sheet bending apparatus with thermally stable reference 1992-03-03
5078775 Glass sheet gas support Robert E. Maltby, Jr., Philip J. Breno, James W. Buckingham 1992-01-07
5047077 Combination heater quench Robert G. McMaster 1991-09-10
5045103 Apparatus for heating and bending glass sheets Ben M. Balestra 1991-09-03
5002599 Heated glass sheet topside support device Robert G. McMaster 1991-03-26
4957531 Apparatus for heating bending and quenching glass sheets Ben M. Balestra 1990-09-18
4909819 Method for bending glass sheets Norman C. Nitschke, Dexter H. McMaster, Ronald A. McMaster, Thomas E. Feehan 1990-03-20
4909824 Apparatus for bending glass sheets Thomas E. Feehan 1990-03-20
4904533 Glass sheet heat treated by opposed burners 1990-02-27
4883527 Glass sheet bending and tempering apparatus Norman C. Nitschke, Dexter H. McMaster, Ronald A. McMaster 1989-11-28
4872925 Photovoltaic cell fabrication method and panel made thereby 1989-10-10
4832597 Gas burner 1989-05-23
4822398 Glass bending and tempering apparatus Norman C. Nitschke, Dexter H. McMaster, Ronald A. McMaster 1989-04-18
4799870 Fluid power transfer device 1989-01-24
4784681 Combined glass sheet bending and quench station 1988-11-15