Keyword Analysis & Research: when was the lightning rod patented

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
when was the lightning rod patented	0.03	0.4	5653	32	35
when	1.2	0.3	1148	56	4
was	1.01	0.9	1803	15	3
the	1.7	0.9	6991	22	3
lightning	1.99	0.7	6375	9	9
rod	0.77	1	4950	54	3
patented	0.95	0.3	3731	64	8

Keyword	CPC	PCC	Volume	Score
when was the lightning rod patented	1.32	0.3	6112	16
who created the lightning rod	1.63	0.4	5738	41
who made the lightning rod	0.45	0.9	8420	33
inventor of lightning rod	1.97	0.3	5808	26
lightning rod invented in 1752	1.36	0.6	2137	30
lightning rod history and information	0.19	0.4	7251	53
history of lightning rods	1.14	0.4	5046	60
when was the lightning rod created	0.74	0.5	8140	41
lightning rod created	0.71	0.3	4635	64
why was the lightning rod invented	0.32	0.1	4375	74