Darling-Delaware Co., Inc.

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Chicago, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Grease trap wastewater treatment process
- Patent number 5,543,050
- Issue date Aug 6, 1996
- Darling-Delaware Company, Inc.
- Mel Roshanravan
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Process for dissolved gas flotation in anaerobic wastewater treatment
- Patent number 5,310,485
- Issue date May 10, 1994
- Darling-Delaware Company, Inc.
- Mel Roshanravan
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method and apparatus for dissolved air flotation with aeration
- Patent number 5,151,177
- Issue date Sep 29, 1992
- Darling-Delaware Company, Inc.
- Mel Roshanravan
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Meter for automobile
- Patent number 5,129,269
- Issue date Jul 14, 1992
- Darling-Delaware Company, Inc.
- Tsutomu Iizuka
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Process for separating and recovering fat and proteinaceous materia...
- Patent number 4,361,590
- Issue date Nov 30, 1982
- Darling-Delaware Co., Inc.
- Herbert W. Wojcik
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES

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Trademarklast 30 trademarks

Information Trademark
74359702 - SWINE BOSS
- Serial number 74359702
- Filing date Feb 17, 1993
- Darling-Delaware Company, Inc.
- 5 - Pharmaceutical and veterinary preparations
Information Trademark
74359703 - DAIRY BOSS
- Serial number 74359703
- Registration number 2144802
- Filing date Feb 17, 1993
- Darling-Delaware Company, Inc.
- 5 - Pharmaceutical and veterinary preparations
Information Trademark
74359705 - HI EN
- Serial number 74359705
- Filing date Feb 17, 1993
- Darling-Delaware Company, Inc.
- 5 - Pharmaceutical and veterinary preparations
Information Trademark
74359706 - BEEF BOSS
- Serial number 74359706
- Filing date Feb 17, 1993
- Darling-Delaware Company, Inc.
- 5 - Pharmaceutical and veterinary preparations