← Back to Companies

Nichols Engineering and Research Corp

Nichols En

Active Patents

0

Total Holdings

4

Patent Holdings

Filter in Explorer →

Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US2849930A	Method and apparatus for treating pulp suspensions and othe…	Expired / Lapsed	1952-12-06	1958-09-02	0	Details
US2816490A	Apparatus for treating liquid mixtures for separation of so…	Expired / Lapsed	1952-12-06	1957-12-17	0	Details
US2312706A	Method and apparatus for separating heavy particles from pa…	Expired / Lapsed	1938-11-19	1943-03-02	0	Details
US2102525A	Separation of solid particles from fluids	Expired / Lapsed	1937-08-24	1937-12-14	0	Details