Robert A. Hatch — 5 Patents at Garrett

Robert A. Hatch has been granted 5 US patents while listed as an inventor at Garrett. The first was granted in 1981 and the most recent in August 1986. Robert A. Hatch ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Robert A. Hatch in Boca Raton, FL, US.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
4605594	Ceramic articles having a nonporous core and porous outer layer	Kenneth E. Owens	1986-08-12	$8,236,000
4275558	Gas turbine engine fuel governor	Harvey B. Jansen, Frederic E. Bolliger, Robert B. Sumegi	1981-06-30
4274253	Control for turbine and recuperator inlet temperatures	Frederic E. Bolliger, Geoffrey D. Woodhouse, George B. Mattson, Bruce Anson	1981-06-23
4266401	Gas turbine engine fuel control	Robert B. Sumegi, Geoffrey D. Woodhouse, George B. Mattson, Harvey B. Jansen, Frederic E. Bolliger	1981-05-12
4244181	Variable geometry gas turbine engine fuel and guide vane control	Wilfried Wiher, Geoffrey D. Woodhouse, George B. Mattson, Harvey B. Jansen, Leon D. Lewis	1981-01-13

Robert A. Hatch — 5 Patents

Issued Patents All Time

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