Inventor · Fort Collins, CO, US

Emil E. Olander, Jr.

26Patents
6h-index
10Co-inventors
58Inventor score

Filing activity: Sep 30, 1974 → Sep 29, 1982

Most-cited inventions

PatentTitleAreaCited byStatus
US4028538A Programmable calculator employing algebraic language Physics 22 Expired
US4145742A Programmable calculator including user-definable keys Physics 20 Expired
US4178633A Programmable calculator including multifunction keys Physics 6 Expired
US4156917A Programmable calculator including separate user program and data memory areas Physics 6 Expired
US4152769A Programmable calculator including means for permitting data entry during program execution Physics 6 Expired
US4145752A Programmable calculator including separate line numbering means for user-definable functions Physics 6 Expired
US4152771A Programmable calculator including display means for signalling the user to indicate the exhaustion of a printer paper supply Physics 5 Expired
US4181965A Programmable calculator including program trace means Physics 5 Expired
US4156918A Programmable calculator including means for performing computed jumps during program execution Physics 5 Expired
US4615015A Self-contained electronic computer including means for immediately executing or storing alphanumeric statements entered into the computer Physics 4 Expired
US4161031A Programmable calculator including boolean flag variable means Physics 4 Expired
US4158233A Programmable calculator including means for performing implied multiply operations Physics 3 Expired
US4187547A Programmable calculator including means for controllably introducing blank lines on a printed record during program execution Physics 3 Expired
US4177518A Programmable calculator including scrolling alphanumeric display means Physics 3 Expired
US4158228A Programmable calculator including alphanumeric error display means Physics 2 Expired
US4159525A Programmable calculator employing computed memory addresses Physics 2 Expired
US4281390A Programmable calculator including means for performing computed and uncomputed relative branching during program execution Physics 2 Expired
US4156285A Programmable calculator including keyboard functions whose argument may be a numeric constant, a storage register, or an arithmetic expression Physics 2 Expired
US4152770A Programmable calculator including means for programmably controlling magnetic storage units Physics 2 Expired
US4158231A Programmable calculator including program listing means Physics 2 Expired
US4162532A Programmable calculator including data format display control means Physics 2 Expired
US4152774A Programmable calculator including keyboard function means for raising the number ten to any designated power Physics 2 Expired
US4156282A Programmable calculator including relational operator means Physics 2 Expired
US4164039A Programmable calculator including a key for performing either a subtraction or a unary minus function Physics 0 Expired
US4152773A Programmable calculator including means for establishing a priority for executing algebraic operations Physics 0 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.