Assignee
PROTECTOSEAL CO
US·12 granted patents·272 citations·filing 1976–2006
Top patents by PatentIndex Score
12 records- 0188US4006780ARupturing head for fire extinguishersPROTECTOSEAL CO·Filed 1976·Granted Feb 8, 1977·71 cites·4 claims
- 0277US6056005AVent valve with liquid sealPROTECTOSEAL CO·Filed 1997·Granted May 2, 2000·44 cites·13 claims
- 0374US7056114B2Flame arrestor with reflection suppressorPROTECTOSEAL CO·Filed 2003·Granted Jun 6, 2006·21 cites·6 claims
- 0468US6644961B2Flame arrestor with reflection suppressorPROTECTOSEAL CO·Filed 2002·Granted Nov 11, 2003·12 cites·9 claims
- 0568US4121632AFire extinguisher cylinder filling stationPROTECTOSEAL CO·Filed 1977·Granted Oct 24, 1978·22 cites·5 claims
- 0667US4280679ADually-operated tank car bottom unloading valvePROTECTOSEAL CO·Filed 1979·Granted Jul 28, 1981·24 cites·9 claims
- 0751US7390190B2Flame arrestor with reflection suppressorPROTECTOSEAL CO·Filed 2006·Granted Jun 24, 2008·0 cites·8 claims
- 0851US5795043ACorrosion-resistant storage cabinetPROTECTOSEAL CO·Filed 1996·Granted Aug 18, 1998·40 cites·9 claims
- 0950US6244457B1Gauge hatch with diaphragm and liquid sealPROTECTOSEAL CO·Filed 1997·Granted Jun 12, 2001·14 cites·15 claims
- 1047US6629621B1Gauge hatch with liquid sealPROTECTOSEAL CO·Filed 2001·Granted Oct 7, 2003·4 cites·6 claims
- 1142US5660204ATank blanketing valvePROTECTOSEAL CO·Filed 1995·Granted Aug 26, 1997·13 cites·10 claims
- 1234US4138037ATilt canPROTECTOSEAL CO·Filed 1977·Granted Feb 6, 1979·7 cites·6 claims
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