Assignee
HOVAL INTERLIZ AG
LI·6 granted patents·113 citations·filing 1980–1995
Top patents by PatentIndex Score
6 records- 0181US6070657AHeat exchanger tube for heating boilersHOVAL INTERLIZ AG·Filed 1995·Granted Jun 6, 2000·51 cites·9 claims
- 0266US4378837AHeat exchangerHOVAL INTERLIZ AG·Filed 1980·Granted Apr 5, 1983·31 cites·1 claims
- 0341US4989502AWeatherproofing doors for the air intake opening of ventilating systemsHOVAL INTERLIZ AG·Filed 1989·Granted Feb 5, 1991·17 cites·6 claims
- 0435US4296712ATwo-chamber boiler for burner firing and solid fuel firingHOVAL INTERLIZ AG·Filed 1980·Granted Oct 27, 1981·6 cites·6 claims
- 0523US4624216AFurnace for burning oil or gasHOVAL INTERLIZ AG·Filed 1986·Granted Nov 25, 1986·1 cites·6 claims
- 0623US4277337ADeposit filtering apparatus for filtering turbid liquidsHOVAL INTERLIZ AG·Filed 1980·Granted Jul 7, 1981·7 cites·9 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →